UrbanPro

Take Quantitative Aptitude from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Search in

A, B and C together can do a piece of work in 10 days, whereas B and C can do the same work in 20 days. In how many days can A do the work if working alone?

Asked by Last Modified  

Follow 3
Answer

Please enter your answer

Math Expert

10 days
Comments

Trainer

20days
Comments

Learning programs to help you be your best self and excel both in professional and personal spheres.

In time and work , If A can do a piece of work in n days, then A's 1 day's work=1/n and If A's 1 day's work=1/n, then A can finish the work in n days . Therefore: 1/A+1/B+1/C=10 days(This is equation 1) , whereas 1/B+1/C=20 days(This is equation 2) substitute equation (2) in (1) and we can get the...
read more
In time and work , If A can do a piece of work in n days, then A's 1 day's work=1/n and If A's 1 day's work=1/n, then A can finish the work in n days . Therefore: 1/A+1/B+1/C=10 days(This is equation 1) , whereas 1/B+1/C=20 days(This is equation 2) substitute equation (2) in (1) and we can get the value of A if working alone. Hope this clears your doubt Regards Rakesh read less
Comments

View 1 more Answers

Related Questions

What will be the remainder when 47 to the power 47 is divided by 144 in base 12? Answer should be in base 12.
Try to solve it by yourself. The answer should be 7A. If you are unable to solve it, I will be happy to provide you with detailed solution but first give it a try yourself.
Abhijeet Kumar Sinha
1 0
5
Which book is better for quantitative aptitude - R. S. Aggarwal or Quicker Maths?
r.s .agarwal is not updated..go to quicker maths
Varada
0 0
6
How much time is required to learn Short tricks in quantitative aptitude
It depends on the teacher and your grasping power, your educational background and your effort on an average it varies from 3 - 6 months.
Shailesh
HCF of 13 & 7 = ?
10+4=14
Pavnesh Sharma

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

Ask a Question

Related Lessons

Permutation and Combination
Fundamental Principle of Counting/Multiplication rule Q1) How many numbers greater than 999 but not greater than 5000 be formed using the digits 0,1,2,3,4 and 5 if (a) repetition of digits is allowed...

How to solve a maths questions
Always use simple and easy fastest steps to solve a problem . As each questtion involves simple basic calculation like Addition,Subtraction , Multiplication , Division . Dont go for all calculation using...

Three Digit Multiplication Shortcut
1) 123*456 I II III 1 2 3 4 5 6 Multiply column III. Here, it's 18. Write 8 and carry over 1. Result=>__8 Cross multiply column II and III diagonally. ie 2*6 and 3*5. We get 12...

Average and Alligation
Averages Basic Formulae for average of n numbers x1, x2, x3....xn is given by An=(x1+x2+x3+.........xn)/n=Total of n numbers/n This also means that (An)*n =Total of the numbers Average of sum of first...
A

Advays Classes

0 0
0

Profit & Loss
Profit and Loss Cost Price (CP): The price at which any article is purchased Selling Price (SP): The price at which an article is sold Profit or Gain: Profit is the difference between S.P. and...

Recommended Articles

There are a number of exciting upcoming government jobs in India for you. Just check out the links and apply for relevant jobs. Open Positions: Position Name Dept./Org. Vacancies Last Date Info. Link LDC, Steno, Driver, MTS, Ayah, Cook IAF 140 30-03-2015 http://bit.ly/1C1zjAM Technician,...

Read full article >

When exams knock at the door, it is common to go paranoid. First, the constant worry on how you will perform and whether you are preparing right is a major concern. Next, the limited time span and the vast syllabus that you have to complete. Irrespective of the kind of exam you are appearing for, stress is common and happens. If...

Read full article >

Bank P.O is one of the most talked about examination for bank recruitment in India. P.O stands for Probationary Officer which is an entry level position in banks, which are especially for fresh graduates or a person without any prior experience. The probation period for Bank P.Os is generally 2 years in which they’re trained...

Read full article >

Students Preparing for Exams are always bogged by Revision to be completed and how much to Revise. I had found these Revision Techniques to be profound in actual getting good exams scores during my school days. Let us see what effective Revision Techniques can be used to improve Learning 1) If Time is King, an...

Read full article >

Looking for Quantitative Aptitude Coaching?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Quantitative Aptitude Classes?

The best tutors for Quantitative Aptitude Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Quantitative Aptitude with the Best Tutors

The best Tutors for Quantitative Aptitude Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more