Question

A alone can finish a piece of work in 8 days and B alone can do it in 12 days .How many time will be taken,if both A and B work together?​

Answer 1

Answer:

24/5 days

Step-by-step explanation:

Let the total work to be done be 1 part

A can do it in 8 days

In 1 day, A can do 1/8 part

B can do it in 12 days

In 1 day, B can do 1/12 part

In 1 day, A and B togetherly can do (1/8+1/12)work

=5/24

Time required by them to do the work=1/5/24

=24/5 days

Ans-They require 24/5 days to finish the work.

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