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Lesson Posted on 16/07/2020 Exam Coaching/MBA Entrance Coaching Exam Coaching/Foreign Education Exam Coaching/GRE Coaching GMAT Reading Passages

What NOT to do while solving a Reading Comprehension passage?

Renju Rajan

I'm a former faculty from TIME Pvt Ltd where I was onboard the Academic Associates Team. I have worked...

The SEVEN things that you should be careful NOT to do while solving RCs: 1. Do NOT try to retain every detail or information given in the passage. 2. Do NOT re-read or read backwards( regressive reading) even if you don't understand a particular part. Go with the flow. 3. Do NOT try to focus on individual... read more

**The SEVEN things that you should be careful NOT to do while solving RCs:**

1. Do NOT try to retain every detail or information given in the passage.

2. Do NOT re-read or read backwards( regressive reading) even if you don't understand a particular part. Go with the flow.

3. Do NOT try to focus on individual words, instead read in a group of words to focus on the ideas.

4. Do NOT be over-engaging or over-enthusiastic about the passage even it is about a topic of your interest.

5. Do NOT read the questions first and try to pick up answers for the problems, but a glance may be done to grab the keywords.

6. Do NOT read too fast or too slow.

7. Do NOT rely on subjective knowledge to answer the questions. Choose the options solely based on the information given in the passage.

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Comments Lesson Posted on 26/05/2020 Exam Coaching/MBA Entrance Coaching

Distance MBA - Is it for fresher or working professionals.

PSB Tutorials

I am an MBA with around 10 years of corporate experience as manager human resources and now running a...

Students are now going for distance MBA for various reasons. In order to be successful in whatever a student do he or she would now the core reason behind doing an MBA and how the certificate will help them to grasp a good job. It is not advisable for a fresher to go for distance MBA because he or she... read more

Students are now going for distance MBA for various reasons. In order to be successful in whatever a student do he or she would now the core reason behind doing an MBA and how the certificate will help them to grasp a good job. It is not advisable for a fresher to go for distance MBA because he or she does not have any corporate exposure and thereby learning MBA at home will not help anyway but we all cannot afford a regular MBA, hence a fresher first should try to get a good job and then go for a distance MBA from a reputed university like ICFAI, IGNOU etc. Working professionals get a better exposure after doing a distance MBA as they are practically aware of all the corporate behaviour and environment and MBA degree will thus enhance their theoretical knowledge.

Best of luck students!

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Comments Asked on 18/05/2020 Career Counselling Exam Coaching/MBA Entrance Coaching CAT Coaching

My 10th marks is 45%, and I opted for Science in class 12th. After the completion of my graduation, will... read more

My 10th marks is 45%, and I opted for Science in class 12th. After the completion of my graduation, will I be eligible for the CAT exam? Also, as my 10th marks are less than 60%, can I get a job in a reputed company?

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Answered on 10/09/2020 Exam Coaching/MBA Entrance Coaching IT Courses/OsCommerce Tuition/BCom Tuition

Yates Education

Go with ACCA Course; it is a globally recognised professional accountancy course as well as recognised in India.

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Answers 110 Comments Answered on 08/04/2020 Exam Coaching/MBA Entrance Coaching

Bhupendra Ramesh bhoir

Python Trainer with more than 10 years of experience in industry

Hi Vivek, If you want to register your Business, can you please answer the following questions. 1. What is the Business you are going to do? 2. Which form of Organization are you interested in? Whether Propertiership/Partnership or Pvt Ltd Company? 3. Are you going for any Venture Capital or Bank Loan... read more

Hi Vivek,

If you want to register your Business, can you please answer the following questions.

1. What is the Business you are going to do?

2. Which form of Organization are you interested in? Whether Propertiership/Partnership or Pvt Ltd Company?

3. Are you going for any Venture Capital or Bank Loan etc.,

4. All the studies need to be done before we conclude, because of the regulatory approvals required for your Business has to be studied.

Also, it depends you want to open the class on a district level or national level. On the district level, it will be like a shop act license (Gumasta) or company where need directors along with you and initial some capital is to be shown.

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Answers 14 Comments Answered on 06/04/2020 IT Courses IT Courses/Business Objects Enterprise XI Exam Coaching/MBA Entrance Coaching

Bhupendra Ramesh bhoir

Python Trainer with more than 10 years of experience in industry

1. Enrol for an Online Entrepreneur course (Edx or Coursera) and take some self-assessment tests to understand your weaknesses better and work on improving them. 2. Have a successful entrepreneur Mentor who will share her experiences of success and failure so that your learning curve is shorter. 3. Master... read more

1. Enrol for an Online Entrepreneur course (Edx or Coursera) and take some self-assessment tests to understand your weaknesses better and work on improving them.

2. Have a successful entrepreneur Mentor who will share her experiences of success and failure so that your learning curve is shorter.

3. Master the area in which you want to be an entrepreneur, in terms of knowledge of product and service, competitive landscape, market needs and value proposition.

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Answers 42 Comments Answered on 04/04/2020 Exam Coaching/MBA Entrance Coaching/CAT Coaching

I am also searching for CAT coaching in tallygunge.

S D.

Tutor

You can opt for online classes.

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Answers 2 Comments Lesson Posted on 14/10/2019 Exam Coaching/MBA Entrance Coaching

Shantanav Bhowmik

Teacher, Engineer, Manager & Social Worker My recent academic accomplishments include admission offers...

SB Page 1PROBABILITY- STUDY NOTESPROBABILITY- the method of finding the likelihood of an event.1. For example let us throw a dice,an unbiased dice that is all faces have equal chances of turning up -1,2,3,4,5,6 on six faces. What is the probability that the number up will be an even number?sample space=1,2,3,4,5,6=>... read more

SB Page 1

PROBABILITY- STUDY NOTES

PROBABILITY- the method of finding the likelihood of an event.

1. For example let us throw a dice,an unbiased dice that is all faces have equal chances of turning up -

1,2,3,4,5,6 on six faces. What is the probability that the number up will be an even number?

sample space=1,2,3,4,5,6=> n(s)=6

even number or event space= 2,4,6=> n(e)=3

n()=number of elements

therefore required probability= n(e)/n(s)=3/6=1/2.

P(E)=N(E)/N(S)

2. Now unbiased 2 dies are thrown simultaneously. What is the probability that sum of their faces is 8?

we know that the minimum value on each die is 1 and maximum value is 6.

we also know that we can get a sum of 8 with integers from 1 to 6 as=3+5/4+4

so the number of ways in which the required sum of 8 can face up is=

Dice1 Dice2

4 4

5 3

3 5

so the required number of cases for or event= 4/4,3/5,5/3= 3 cases.

total number of cases (from method of counting)=6*6=36

P(E)=3/36=1/12

2nd method- what is the probability that 4 will turn up in die 1? It is 1/6 as n(e)=1 & n(s)=6. Similarly for

every other number on an unbiased die.

A sum of 8 will be obtained when we get –{(4 on d1) &( 4 on d2)} OR{ (3 on d1) &( 5 on d2)} OR {(5 on d1)

& (3 on d2)} as listed above.

Therefore the required probability is obtained when we replace & by X (multiplication) and OR by +

(addition). And we write the probability for every individual event in the bracket terms.

so P(e)= { 1/6*1/6}+{1/6*1/6}+{1/6*1/6)=1/12.

3. Consider again an unbiased die .

n(even)=3 since cases{2,4,6)

n(odd)=3 since cases (1,3,5)

As set of cases of odd number and set of cases of even number has no element common even if their number

of elements is same –these two sets are said to be mutually exclusive.

Hence we say that the two events of getting odd numbers and even numbers when an unbiased dice is

thrown is mutually exclusive to each other.

4. N(AUB)=N(A)+N(B)-N(A˄B) from SET theory : S = sample space ,in this case represents all possible

outcomes- the whole box.

here if we are asked to find the probability that either A or B occurs ( it means atleast one of A or B) , we will

take help of the above concept of vein diagram as given above.

P(e)= n(A∪B)/n(s)

A A˄B B

S

SB Page 2

5. Consider the case of an unbiased die again.

Let A be the case of getting a prime ∴ N(A)=(2,3,5)=3 ∴P(A)=N(A)/N(S)=3/6=1/2.

Let B be the case of getting an even no ∴ N(B)=(2,4,6)=3 ∴P(B)=N(B)/N(S)=3/6=1/2.

What if we are asked to find out the probability of event A in case it is given that event B has already

occurred?

In this case we find the the outcomes of B are the that is n(b)=3. In these outcomes we are to find the prime

numbers that are in set A to get our event space. So our event space n(e)=n(A˄B)={2}=1 and our sample

space n(b)=3.

So the req P(e)= N(A˄B)/N(B)= 1/3.

This is written as P(A/B)- probability that A will occur given B has already occurred.

Now as req event space is A˄B; We write P(A/B)=P(A˄B)/P(B). This known as conditional probability.

This can be derived as follows- We know P (A/B)=N(A˄B)/N(B)= *N(A˄B)N(S)+/*N(B)/N(S)+=

P(A/B)=P(A˄B)/P(B).

6. Consider set S =*1,2,3,4………47,48,…..50+

A= Event of getting a multiple of 5 from S= { 5,10,15,……,50+

B= Event of getting a multiple of 2 from S =*2,4,6,8………..50+

now P(A)=10/50 , P(A/B)=5/25

As we see that numerically P(A)=P(A/B) that is the probability of event A has not changed given the

condition that B has already occurred , we say that A & B are independent events. As we know that

P(A/B)=P(A˄B)/P(B). Putting the condition for independent events that is P(A)=P(A/B) we get

P(A).P(B)=P(A˄B)

As A & B are independent events as proven we can also show P(A/ )=P(A).

N:B- If P(A˄B)=P(A).P(B) numerically, A &B are pairwise independent.

Similarly if P(A˄B˄C)=P(A).P(B).P(C) , A,B & C are mutually independent.

7. BAYES THEOREM of Conditional Probability

If we are given the probabilities that B occurs given A1, A2…..An occurs and we are asked to find the

probability that Ai will occur given B has already occurred, when we are given or can calculate P(Ai), we use

Bayes theorem.

Note that A1 A2 A3 …..An are mutually exclusive and collectively exhaustive that is individual event spaces

don’t have any common and all As make up A event space.

Given, Mathematically if P(B/Ai)=Qi and P(Ai)=Pi then

P(Ai/B)= Pi.Qi/𝞢Pi.Qi

Example-

Box 1 contains 3 white and 2 black balls. Box 2 contains 1 white and 4 black balls.A ball is picked from one

of the two boxes, it turns out to be black. Find the probability that it was drawn from box 1.

We are to find probability of selecting box 1 given we have picked a black ball=P(B1/BLACK)

By BAYES THEOREM,

P(B1/BLACK)={P(B1).P(BLACK/B1)}/[{ P(B1).(BLACK/B1)}+ {P(B2).P(BLACK/B2)}]

Hence,

P(BLACK/B1)=Probability of drawing a black ball from box 1= 2/5

P(BLACK/B2)=Probability of drawing a black ball from box 2= 4/5

P(B1)=1/2

P(B2)=1/2

∴ P(B1/BLACK)= (1/2)(2/5)/,*(1/2)(2/5)++*(1/2)(4/5)+-=1/3

™Solution of Bayes theorem problem without Bayes theorem

Consider the given problem above.

Note that since we are given that a black ball has been picked already that reduces out sample space

probability to selecting bag 1 and black ball or selecting bag 2 and black ball while the former is our event

SB Page 3

space probability. So basically it reduces to the probability of the way or ways we can get the desired

outcome or outcomes divided by the summation of all the probabilities of available outcomes , given the pre

condition.

Probability of selecting box 1 given we have picked a black ball=

P(B1/BLACK)= event space probability P(e)/ sample space probability P(s) = event of selecting black ball

from B1/ events of selecting black balls from B1 & B2=event of selecting B1 and black ball from it/[ event of

selecting B1 and black ball from it OR event of selecting B2 and black ball from it]= 1/3

8. Expected Value= E1.M1+E2.M2+…….+En.Mn

Example-

A person tosses a coin. It comes up with head he gets 10 rupees. It comes up with tail he has to pay 5 rupees.

What is his expectation ?

E=P(heads)M(heads)+P(tails)M(tails)= (1/2)10+(1/2)(-5)=2.5

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Comments Lesson Posted on 08/10/2019 Exam Coaching/MBA Entrance Coaching/CAT Coaching

Rahul Ranjan

I have worked as a physics faculty in sinhal classses for four years. Expert in concept building and...

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Comments Looking for MBA Entrance Coaching classes

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Answered on 07/09/2019 Exam Coaching/MBA Entrance Coaching/CAT Coaching

Career Desk

Dear Sambit, Yes, MAT exam can be easily cracked. However, for CAT, it is difficult but not impossible. Plan and strategize and implement. If you are focussing full time for the next three months and practice smartly. You will definetely achieve good percentile. Wishing you all the best.

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