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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
answered-by-expert 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

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