Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 8 Answered

A can finish a job in 12 days while B can finish the same job in 15 days. How much time will they take, if both A and B work together?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer

A can finish the job in 12 days.

Therefore, in 1 day A can finish part of work.

B can finish the job in 15 days.

Therefore, in 1 day B can finish part of work.

If they work together,

In 1 day they will complete, part of work.

Now

Thus, both will complete the work in days that is days.

Answered by | 04 Jun, 2014, 03:23: PM
CBSE 8 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
Get FREE Sample Mock Papers for Final Exams
Download Now
×