The total cost of 2 pencils, 5 erasers and 7 sharpeners is Rs.30, while 3 pencils and 5 sharpeners cost Rs.15 more than 6 erasers. By what amount (in Rs.) does the cost of 39 erasers and 1 sharpener exceed the cost of 6 pencils?

Asked by Last Modified  

1 Answer

Learn CAT Coaching

Follow 0
Answer

Please enter your answer

Ice Gate Surat

Theoretically, you need 3 equations to solve linear equations with 3 variables. In this question, you are given only two equations with three variables. That means this problem comes under special equations. Depending upon the nature of the equations you have to apply special technique to solve special...
read more
Theoretically, you need 3 equations to solve linear equations with 3 variables. In this question, you are given only two equations with three variables. That means this problem comes under special equations. Depending upon the nature of the equations you have to apply special technique to solve special equation. Here, I apply one such special technique: 3x+5y+7z=49 (1) 5x+8y+11z=78 (2) multiply the first equation with 3 9x+15y+21z=147 (3) multiply the second equation with 2 10x+16x+22z=156 Now, subtract (3) from (2) x+y+z=9 read less
Comments
Dislike Bookmark

Related Questions

What is cut off of CAT Exam?
100 and 40% per subject is necessary
Rakesh
What are the exam dates for CAT 2014?
wait for notification...
Meena
What will be the remainder when 47 to the power 47 is divided by 144 in base 12? Answer should be in base 12.
The only difference will be instead from having 0-9 we will have 0-9 and then A & B. Try it now. Or you can convert every thing on a base of 10 get the answer and convert it back to base 12.
Abhijeet Kumar Sinha
1 0
5
I have completed my B.Tech this year in Computer Science stream and now I'm planning to pursue my MBA. I've decided to appear for MAT and CAT exam. Is it possible for me to crack by studying for 3 months?.
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...
Sambit
0 0
6
How to start preparing maths for CAT by yourself? I tried and am trying again but not getting things right. What to do?
This is a very broad question. A best approach to start will be to plan where you are and where you want to reach by the end of one week. I would highly recommend picking up one standard book (Rec. R S...
Shivani

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Same word with different meaning
Word of the day Plot Noun: Secret plan - The terrorist plot was thwarted. Main events of a play or piece of writing - The plot of that movie was not so effective. Small piece of land set aside...
V

Vidussi S.

0 0
0
Let's find cube of a number
How to find Cube of a number?

Sulthan Gd

0 0
1
Company Accounts - Preparation of Financial Statements
What are the Statutory Provisions relating to the Transfer of Profits to Reserves? Answer: As per companies Act, 2013 there is no requirement of minimum transfer of profits to reserves. The company...

Fr Prashanth Reddy

4 0
0
Different ways to say sorry
Apologizing for small mistakes Whoops! Sorry! Oh! Sorry. Sorry about that. Oh, my bad. My fault, bro. Apologizing when you make a more serious mistake: serious mistake I’m so sorry....
V

Vidussi S.

0 0
0
Cone from basic to advance
A Cone is a 3D geometrical figure and questions related to volume, surface area and slant height are generally asked in the exam. the following expressions give the general formula of the volume v=...

Ravi Rana Rana

2 0
0

Recommended Articles

CAT 2016 - Preparation Tips for Last 1 Month

CAT (Common Admission Test) is scheduled to be conducted on 4th December, 2016, by IIM-B (Indian Institutes of Management - Bangalore) across 135 cities in India. As the exam is less than a month away, candidates are burning their mid-night oil to give their best performance for a bright career and future. A total of 2,32,434...

Read full article >

Tips to Bell the 2016 CAT Exam

Almost every Indian student or a young working professional has thought of acing CAT at some point of time in their career. Easily one of the most coveted exams of the year. In addition to rigorous preparations and weekly mock tests, cracking CAT has a lot to do with being confident and believing in yourself from the starting...

Read full article >

5 Important Doubt Clearance About CAT Exam

Conducted by the Indian Institute of Management (IIMs), score of CAT exam is a prerequisite to get admission in management courses offered by IIMs, Indian Institute of Technology (IITs), Faculty of Management Studies (FMS), S.P Jain Institute of Management and Research(SPJIMR), Management Development Institute (Gurgaon),...

Read full article >

CAT Tips for the D Day

The prestigious Indian Institute of Management (IIMs) conducts CAT every year which is taken by more than 1.7 lakh students every year. It is one of the most popular entrance tests in the country. When so many students are writing for such limited seats, there is bound to be fierce competition from the brightest in the...

Read full article >

Find CAT Coaching near you
CAT Coaching in Mumbai
CAT Coaching in Delhi
CAT Coaching in Chennai
CAT Coaching in Hyderabad
CAT Coaching in Bangalore
CAT Coaching in Kolkata
CAT Coaching in Pune

Looking for CAT Coaching ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you