PrepSutra logo
PrepSutra





English

A and B working together can do a piece of work in the 4124\tfrac{1}{2} B and C working together can do it in 3 hours. C and A working together can do it in 2142\tfrac{1}{4} hours. All of them begin the work at the same time. Find how much time they will take to finish the piece of work?

1:

3 hours 

2:

2 hours

3:

2.5 hours

4:

1 hour

5:

None of these

Solution:
Chapter Name: Time and Work


Write your comments here...

prepsutra-app-download android ios

Download the PrepSutra app

Download the app for Android devices and prepare on the go - anytime, anywhere!

Follow us on social media

Exams

Banking

Banking

SSC

Railway

Insurance

IIT JEE

Navigation

Support

©2021 PrepSutra. All Rights Reserved.