https://www.urbanpro.com/chennai/n-s-balaji-tutor # N S Balaji

## Tutor

## Overview

## Languages Spoken

## Education

## Address

## Verified Info

## Teaches

## Courses

## Documents (10)

## Reviews (2)

## FAQs

## Lessons (1)

## Answers by N S Balaji (114)

## Teaches

I have taught unofficially to students of class 6th to class 8th on a part-time basis. Further , after office hours I have taught quantitative aptitude to my colleagues on interest basis. I have a flair for teaching and is absolutely keen and interested in devising different teaching strategies and methodologies according to varying levels of understanding by citing apt examples.

Xavier Aptitude Test (XAT), Tamil Nadu Common Entrance Test (TANCET) Ā , Symbiosis National Aptitude (SNAP)

Separation Processes, Chemical Process Calculations, Process Design Of Chemical Equipment, Organic Chemistry, Momentum Transfer

## Courses

## Answers by N S Balaji (114)

Cos theta= 1/root2. Therefore, cos square theta =(1÷2) Secant square theta =2 1+ tan square theta =2 Tan square theta =1 Cot square theta =1 Cot theta =1 Therefore 4+ cot theta =5. ## Lessons (1)

4 digit number's summation after interchanging digits:

Chromepet, Chennai, India - 600044.

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My experience , although has been predominantly in the industrial arena, for the past 2 years i was guiding co-employees in Quantitative aptitude for competitive exams unofficially.

I decided to call it a day for the industrial career.

Officially i have started taking classes for QA from December 2017.

I decided to call it a day for the industrial career.

Officially i have started taking classes for QA from December 2017.

Intro Video

- MBA Entrance Coaching , IBPS Exam Coaching +12

Tamil Mother Tongue (Native)

Hindi Proficient

English Proficient

KONGU ENGINEERING COLLEGE, BHARATHIAR UNIVERSITY 2002

Bachelor of Technology (B.Tech.)

Chromepet, Chennai, India - 600044

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Bank Clerical Exam Coaching classes

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Bank Clerical Exam Coaching classes

2

Target section catered to

Reasoning Ability, Quantitative aptitude/ Numerical ability

Quantitative Aptitude Coaching

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Quantitative Aptitude Coaching

2

IBPS Exam Coaching

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in IBPS Exam Coaching

2

Target section catered to

Reasoning Ability, Quantitative aptitude/ Numerical ability

Teaching Experience in detail in IBPS Exam Coaching

My experience and tryst with coaching is on the unofficial grounds. In the engineering firm where I work, I taught the quantitative aptitude for juniors after office hours. More of them flocked pleased with the methodology or approach towards problem-solving. The strategy adopted is, by questioning,"why we are adopting a specific approach to find solution and where all it will be applicable and what will be the generalized methodology common for all case (including special conditions ). The impetus ultimately is on strengthening the ground basics. The final result of problems or queries have least significance as long as our approach is right .Having said that,with the right approach, we are eventually going to end up with right results.

Class 9 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Class 9 Tuition

2

Board

CBSE, State

CBSE Subjects taught

Science, Mathematics

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Science

Teaching Experience in detail in Class 9 Tuition

I have 2 years of experience in teaching cbse Maths for class 9.

Class 10 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Class 10 Tuition

2

Board

CBSE, State

CBSE Subjects taught

Science, Mathematics

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Science

Teaching Experience in detail in Class 10 Tuition

For the past 2 years,I have been coaching mathematics and science for students of 10th cbse pattern.

Class 6 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Board

State, CBSE

CBSE Subjects taught

Science, Mathematics

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Science

Teaching Experience in detail in Class 6 Tuition

I have taught unofficially to students of class 6th to class 8th on a part-time basis. Further , after office hours I have taught quantitative aptitude to my colleagues on interest basis. I have a flair for teaching and is absolutely keen and interested in devising different teaching strategies and methodologies according to varying levels of understanding by citing apt examples.

Class 7 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Board

State, CBSE

CBSE Subjects taught

Science, Mathematics

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Science

Teaching Experience in detail in Class 7 Tuition

I have taught unofficially to students of class 6th to class 8th on a part-time basis. Further , after office hours I have taught quantitative aptitude to my colleagues on interest basis. I have a flair for teaching and is absolutely keen and interested in devising different teaching strategies and methodologies according to varying levels of understanding by citing apt examples.

Class 8 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Class 8 Tuition

1

Board

State, CBSE

CBSE Subjects taught

Science, Mathematics

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Science

Teaching Experience in detail in Class 8 Tuition

I have 1 year of teaching experience in class 8 cbse mathematics.

MBA Entrance Coaching classes

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in MBA Entrance Coaching classes

2

MBA Exams

Xavier Aptitude Test (XAT), Tamil Nadu Common Entrance Test (TANCET) Ā , Symbiosis National Aptitude (SNAP)

Teaching Experience in detail in MBA Entrance Coaching classes

The coaching initially started on unofficial grounds. Very exhaustive coverage of individual topics providing intricate details is the modus operandi. I have started taking official Quantitative aptitude and English pertaining to both MBA entrance and IBPS from December 2017 onwards.

BTech Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in BTech Tuition

1

BTech Branch

BTech 1st Year Engineering, BTech Chemical Engineering

BTech Chemical subjects

Separation Processes, Chemical Process Calculations, Process Design Of Chemical Equipment, Organic Chemistry, Momentum Transfer

Type of class

Regular Classes, Crash Course

Class strength catered to

One on one/ Private Tutions

Taught in School or College

No

BTech 1st Year subjects

Engineering Mathematics (M1), Engineering Chemistry, Engineering Graphics, Engineering Physics

Teaching Experience in detail in BTech Tuition

I have been teaching for past 1 year Stoichiometry and Fluid Mechanics.

Class 11 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Class 11 Tuition

2

Board

State, CBSE

CBSE Subjects taught

Mathematics, Chemistry

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Chemistry

Teaching Experience in detail in Class 11 Tuition

I have started taking 11th and 12th CBSE chemistry from January 2018 onwards. For the past 2 years, I have started taking 11th and 12th cbse mathematics also. Prior to that i was having experience in chemical engineering industry.

Class 12 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Class 12 Tuition

1

Board

State, CBSE

CBSE Subjects taught

Chemistry

Taught in School or College

No

State Syllabus Subjects taught

Chemistry

Teaching Experience in detail in Class 12 Tuition

I have started taking 11th and 12th CBSE chemistry from January 2018 onwards. For the past 2 years ,iam taking 11th and 12th cbse mathematics as well. Prior to that i was having experience in chemical engineering industry.

Railway Exam classes

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Railway Exam classes

1

Teaching Experience in detail in Railway Exam classes

For the past 6 months ,iam taking quantitative aptitude for RRB

Math Olympiad classes

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Math Olympiad classes

1

Teaching Experience in detail in Math Olympiad classes

I have approximately 1 year experience in teaching mathematics olympiad.

5 out of 5 2 reviews

N S Balaji https://s3-ap-southeast-1.amazonaws.com/tv-prod/member/photo/3557040-small.jpg Chromepet

5.0052 N S Balaji

G

12 Nov, 2019

GEETHA SATHISH attended Class 12 Tuition

"Very Good support. The lessons are taught very well and we are very much satisfied. Thank you very much Sir . "

Reply by N S Balaji

Thanks for the encouraging words madam. Iam not sure if I deserve such comments. Nevertheless it kindles my enthusiasm to put much more efforts and provide quality in the days to come. Thanks once again.

N S Balaji

U

27 Dec, 2018

Ulaganathan attended Quantitative Aptitude

"I started going for his classes to learn the ground basics of solving mathematical problems, thereby enabling myself to have a clear-cut approach for attacking quantitative aptitude section pertaining to multifarious competitive exams. Slowly and steadily, I gained a grip in each and every topic, as he would elaborately explain the nuances associated with each one of them by solving multiple questions from them. Besides that, his teaching style involves deriving equations for obtaining shortcuts. This invariably creates a scenario wherein, the particular formula tend to remain in our sub-conscious mind as a conceptual outcome.This, needless to say, increases the longevity of retention. Further, he is very friendly in his approach. I asked certain doubts repeatedly, for which, he used to answer with the same amount of zest and zeal. Another telling feature in his teaching style is that he has never been too much conscious about the duration of each day class. That is, if a concept is unfinished, he would go all the way to complete it rather than calling it a day. Periodic assessments are done to gauge my level, which really helped me a lot. My speed of problem solving increased alongside the accuracy as well. He took painstaking efforts in preparing his own question papers with every possible twists, due to which, I could get an immense grasp in the topic concerned. He quite often encourages me to generate my own shortcuts by following a "what-if?" approach and hence fine. "

Reply by N S Balaji

Thanks a lot for your heartening comments and exemplary expression of your views, which although sounding exaggerative,was more than gratifying for me as tutor.

Have you attended any class with N S Balaji? Write a Review

1. Which classes do you teach?

I teach BTech Tuition, Bank Clerical Exam Coaching, Class 10 Tuition, Class 11 Tuition, Class 12 Tuition, Class 6 Tuition, Class 7 Tuition, Class 8 Tuition, Class 9 Tuition and IBPS Exam Coaching Classes.

2. Do you provide a demo class?

Yes, I provide a free demo class.

3. How many years of experience do you have?

I have been teaching for 2 years.

4 digit number's summation after interchanging digits:

Four digit number's summation after interchanging digits: Let us take a 4-digit number represented as abcd. The value of the number is obviously 1000a+100b+10c+d By interchanging the digits such that...

Answered on 29/05/2019 Learn Exam Coaching/Bank Clerical Exam Coaching

Being a commerce student doesn't restrict one's chances in applying for bank exams. The profile is more relevant for commerce graduates than anyone else. The bank exam modules are purely analytical but not confined to any stream and hence does not require expertise in any particular field. ...more

Being a commerce student doesn't restrict one's chances in applying for bank exams.

The profile is more relevant for commerce graduates than anyone else.

The bank exam modules are purely analytical but not confined to any stream and hence does not require expertise in any particular field.

Like 0

Answers 33 Comments Answered on 28/05/2019 Learn CBSE/Class 2/Maths/Mental Mathematics

Case 1: Let the total number of votes gained by B be "x". Therefore,the votes gained by A will be "x+400". Total number of votes gained by A and B put together is, therefore, "(2*x)+400"....…......(1) Case 2: When A gets 12.5% less votes,there would have been a tie. Therefore, combined votes... ...more

Case 1: Let the total number of votes gained by B be "x".

Therefore,the votes gained by A will be "x+400".

Total number of votes gained by A and B put together is, therefore,

"(2*x)+400"....…......(1)

Case 2: When A gets 12.5% less votes,there would have been a tie.

Therefore, combined votes gained by both A and B is,

"(2*0.875*(x+400))"........…..(2)

Equating (1) and (2), we get

2*(x+200)=2*(0.875*(x+400)

0.125*x= (400*0.875)-200

X=150/0.125=1200

Number of people who voted= (2*1200)+400

=2800

If "y" is the registered number of voters, 0.7*"y" =2800

Therefore, y=(2800/0.7)=4000.

So total number of registered voters=4000.

Like 0

Answers 24 Comments Answered on 18/05/2019 Learn Exam Coaching/Math Olympiad

et the initial time taken be "t" hours.Let the initial speed be V km/hr.Case 1: when speed increases by 20 %, it takes 1hour less to cover the same distance. Let the distance be "x" km.Equation 1: t*v= xEquation 2: 1.2*(t-1)= xEquating the L.H.S. on both sides, we get t= 1.2t-1.2So,t= 6 hours. Case 2:... ...more

et the initial time taken be "t" hours.

Let the initial speed be V km/hr.

Case 1: when speed increases by 20 %, it takes 1hour less to cover the same distance. Let the distance be "x" km.

Equation 1: t*v= x

Equation 2: 1.2*(t-1)= x

Equating the L.H.S. on both sides, we get

t= 1.2t-1.2

So,t= 6 hours.

Case 2: As the car travels at a uniform speed of vkm/hr for the first 120km and 25% higher speed for the rest of the distance saving 48 minutes of journey time on the whole,

Equation 3 is

(120/v) +((x-120)/(1.25*v))= t-0.8

Às t*v=x and we have already computed t= 6 hours, 6*v=x.

Substituting the value of (6*v) instead of x and 6 hours as "t" value in equation 3, we get

V= 60km/hr.

Hence distance x= 60*6=360 km

Like 0

Answers 4 Comments Answered on 15/03/2019 Learn Tuition

Cos theta= 1/root2. Therefore, cos square theta =(1÷2) Secant square theta =2 1+ tan square theta =2 Tan square theta =1 Cot square theta =1 Cot theta =1 Therefore 4+ cot theta =5.

Like 0

Answers 160 Comments Answered on 13/03/2019 Learn Exam Coaching/MBA Entrance Coaching

The best way to get started is getting a grasp of things gradually by starting off with class 8th CBSE mathematics, followed by that of class 9 and 10. It would be better to spend some quality time after cementing the basics ,to try to derive the shortcuts given in any of the leading quantitative aptitude... ...more

The best way to get started is getting a grasp of things gradually by starting off with class 8th CBSE mathematics, followed by that of class 9 and 10.

It would be better to spend some quality time after cementing the basics ,to try to derive the shortcuts given in any of the leading quantitative aptitude authors.

Like 0

Answers 16 Comments Bank Clerical Exam Coaching classes

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Bank Clerical Exam Coaching classes

2

Target section catered to

Reasoning Ability, Quantitative aptitude/ Numerical ability

Quantitative Aptitude Coaching

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Quantitative Aptitude Coaching

2

IBPS Exam Coaching

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in IBPS Exam Coaching

2

Target section catered to

Reasoning Ability, Quantitative aptitude/ Numerical ability

Teaching Experience in detail in IBPS Exam Coaching

My experience and tryst with coaching is on the unofficial grounds. In the engineering firm where I work, I taught the quantitative aptitude for juniors after office hours. More of them flocked pleased with the methodology or approach towards problem-solving. The strategy adopted is, by questioning,"why we are adopting a specific approach to find solution and where all it will be applicable and what will be the generalized methodology common for all case (including special conditions ). The impetus ultimately is on strengthening the ground basics. The final result of problems or queries have least significance as long as our approach is right .Having said that,with the right approach, we are eventually going to end up with right results.

Class 9 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Class 9 Tuition

2

Board

CBSE, State

CBSE Subjects taught

Science, Mathematics

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Science

Teaching Experience in detail in Class 9 Tuition

I have 2 years of experience in teaching cbse Maths for class 9.

Class 10 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Class 10 Tuition

2

Board

CBSE, State

CBSE Subjects taught

Science, Mathematics

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Science

Teaching Experience in detail in Class 10 Tuition

For the past 2 years,I have been coaching mathematics and science for students of 10th cbse pattern.

Class 6 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Board

State, CBSE

CBSE Subjects taught

Science, Mathematics

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Science

Teaching Experience in detail in Class 6 Tuition

I have taught unofficially to students of class 6th to class 8th on a part-time basis. Further , after office hours I have taught quantitative aptitude to my colleagues on interest basis. I have a flair for teaching and is absolutely keen and interested in devising different teaching strategies and methodologies according to varying levels of understanding by citing apt examples.

Class 7 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Board

State, CBSE

CBSE Subjects taught

Science, Mathematics

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Science

Teaching Experience in detail in Class 7 Tuition

Class 8 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Class 8 Tuition

1

Board

State, CBSE

CBSE Subjects taught

Science, Mathematics

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Science

Teaching Experience in detail in Class 8 Tuition

I have 1 year of teaching experience in class 8 cbse mathematics.

MBA Entrance Coaching classes

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in MBA Entrance Coaching classes

2

MBA Exams

Teaching Experience in detail in MBA Entrance Coaching classes

The coaching initially started on unofficial grounds. Very exhaustive coverage of individual topics providing intricate details is the modus operandi. I have started taking official Quantitative aptitude and English pertaining to both MBA entrance and IBPS from December 2017 onwards.

BTech Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in BTech Tuition

1

BTech Branch

BTech 1st Year Engineering, BTech Chemical Engineering

BTech Chemical subjects

Type of class

Regular Classes, Crash Course

Class strength catered to

One on one/ Private Tutions

Taught in School or College

No

BTech 1st Year subjects

Engineering Mathematics (M1), Engineering Chemistry, Engineering Graphics, Engineering Physics

Teaching Experience in detail in BTech Tuition

I have been teaching for past 1 year Stoichiometry and Fluid Mechanics.

Class 11 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Class 11 Tuition

2

Board

State, CBSE

CBSE Subjects taught

Mathematics, Chemistry

Taught in School or College

No

State Syllabus Subjects taught

Mathematics, Chemistry

Teaching Experience in detail in Class 11 Tuition

I have started taking 11th and 12th CBSE chemistry from January 2018 onwards. For the past 2 years, I have started taking 11th and 12th cbse mathematics also. Prior to that i was having experience in chemical engineering industry.

Class 12 Tuition

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Class 12 Tuition

1

Board

State, CBSE

CBSE Subjects taught

Chemistry

Taught in School or College

No

State Syllabus Subjects taught

Chemistry

Teaching Experience in detail in Class 12 Tuition

I have started taking 11th and 12th CBSE chemistry from January 2018 onwards. For the past 2 years ,iam taking 11th and 12th cbse mathematics as well. Prior to that i was having experience in chemical engineering industry.

Railway Exam classes

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Railway Exam classes

1

Teaching Experience in detail in Railway Exam classes

For the past 6 months ,iam taking quantitative aptitude for RRB

Math Olympiad classes

Class Location

Online (video chat via skype, google hangout etc)

Student's Home

Tutor's Home

Years of Experience in Math Olympiad classes

1

Teaching Experience in detail in Math Olympiad classes

I have approximately 1 year experience in teaching mathematics olympiad.

5 out of 5 2 reviews

N S Balaji

G

12 Nov, 2019

GEETHA SATHISH attended Class 12 Tuition

"Very Good support. The lessons are taught very well and we are very much satisfied. Thank you very much Sir . "

Reply by N S Balaji

Thanks for the encouraging words madam. Iam not sure if I deserve such comments. Nevertheless it kindles my enthusiasm to put much more efforts and provide quality in the days to come. Thanks once again.

N S Balaji

U

27 Dec, 2018

Ulaganathan attended Quantitative Aptitude

"I started going for his classes to learn the ground basics of solving mathematical problems, thereby enabling myself to have a clear-cut approach for attacking quantitative aptitude section pertaining to multifarious competitive exams. Slowly and steadily, I gained a grip in each and every topic, as he would elaborately explain the nuances associated with each one of them by solving multiple questions from them. Besides that, his teaching style involves deriving equations for obtaining shortcuts. This invariably creates a scenario wherein, the particular formula tend to remain in our sub-conscious mind as a conceptual outcome.This, needless to say, increases the longevity of retention. Further, he is very friendly in his approach. I asked certain doubts repeatedly, for which, he used to answer with the same amount of zest and zeal. Another telling feature in his teaching style is that he has never been too much conscious about the duration of each day class. That is, if a concept is unfinished, he would go all the way to complete it rather than calling it a day. Periodic assessments are done to gauge my level, which really helped me a lot. My speed of problem solving increased alongside the accuracy as well. He took painstaking efforts in preparing his own question papers with every possible twists, due to which, I could get an immense grasp in the topic concerned. He quite often encourages me to generate my own shortcuts by following a "what-if?" approach and hence fine. "

Reply by N S Balaji

Thanks a lot for your heartening comments and exemplary expression of your views, which although sounding exaggerative,was more than gratifying for me as tutor.

Have you attended any class with N S Balaji? Write a Review

Answered on 29/05/2019 Learn Exam Coaching/Bank Clerical Exam Coaching

Being a commerce student doesn't restrict one's chances in applying for bank exams. The profile is more relevant for commerce graduates than anyone else. The bank exam modules are purely analytical but not confined to any stream and hence does not require expertise in any particular field. ...more

The profile is more relevant for commerce graduates than anyone else.

The bank exam modules are purely analytical but not confined to any stream and hence does not require expertise in any particular field.

Like 0

Answers 33 Comments Answered on 28/05/2019 Learn CBSE/Class 2/Maths/Mental Mathematics

Case 1: Let the total number of votes gained by B be "x". Therefore,the votes gained by A will be "x+400". Total number of votes gained by A and B put together is, therefore, "(2*x)+400"....…......(1) Case 2: When A gets 12.5% less votes,there would have been a tie. Therefore, combined votes... ...more

Case 1: Let the total number of votes gained by B be "x".

Therefore,the votes gained by A will be "x+400".

Total number of votes gained by A and B put together is, therefore,

"(2*x)+400"....…......(1)

Case 2: When A gets 12.5% less votes,there would have been a tie.

Therefore, combined votes gained by both A and B is,

"(2*0.875*(x+400))"........…..(2)

Equating (1) and (2), we get

2*(x+200)=2*(0.875*(x+400)

0.125*x= (400*0.875)-200

X=150/0.125=1200

Number of people who voted= (2*1200)+400

=2800

If "y" is the registered number of voters, 0.7*"y" =2800

Therefore, y=(2800/0.7)=4000.

So total number of registered voters=4000.

Like 0

Answers 24 Comments Answered on 18/05/2019 Learn Exam Coaching/Math Olympiad

et the initial time taken be "t" hours.Let the initial speed be V km/hr.Case 1: when speed increases by 20 %, it takes 1hour less to cover the same distance. Let the distance be "x" km.Equation 1: t*v= xEquation 2: 1.2*(t-1)= xEquating the L.H.S. on both sides, we get t= 1.2t-1.2So,t= 6 hours. Case 2:... ...more

et the initial time taken be "t" hours.

Let the initial speed be V km/hr.

Case 1: when speed increases by 20 %, it takes 1hour less to cover the same distance. Let the distance be "x" km.

Equation 1: t*v= x

Equation 2: 1.2*(t-1)= x

Equating the L.H.S. on both sides, we get

t= 1.2t-1.2

So,t= 6 hours.

Case 2: As the car travels at a uniform speed of vkm/hr for the first 120km and 25% higher speed for the rest of the distance saving 48 minutes of journey time on the whole,

Equation 3 is

(120/v) +((x-120)/(1.25*v))= t-0.8

Às t*v=x and we have already computed t= 6 hours, 6*v=x.

Substituting the value of (6*v) instead of x and 6 hours as "t" value in equation 3, we get

V= 60km/hr.

Hence distance x= 60*6=360 km

Like 0

Answers 4 Comments Answered on 15/03/2019 Learn Tuition

Like 0

Answers 160 Comments Answered on 13/03/2019 Learn Exam Coaching/MBA Entrance Coaching

The best way to get started is getting a grasp of things gradually by starting off with class 8th CBSE mathematics, followed by that of class 9 and 10. It would be better to spend some quality time after cementing the basics ,to try to derive the shortcuts given in any of the leading quantitative aptitude... ...more

The best way to get started is getting a grasp of things gradually by starting off with class 8th CBSE mathematics, followed by that of class 9 and 10.

It would be better to spend some quality time after cementing the basics ,to try to derive the shortcuts given in any of the leading quantitative aptitude authors.

Like 0

Answers 16 Comments Load More

Four digit number's summation after interchanging digits: Let us take a 4-digit number represented as abcd. The value of the number is obviously 1000a+100b+10c+d By interchanging the digits such that...

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