1. A can do a piece of work in 10 days and B can do the same work in 20 days. In how
many days, they both will do the work together?
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Answer:
Answer Is 20/3 days
Step-by-step explanation:
A Work done by A =10 days
Work done by A in 1 days (capacity of A) =1/10
Similarly,
A Work done by B=20 days
Capacity of B to do work = 1/20
According to question
Work will be done by both A and B in 1 days
1/10+1/20
=3/20
Hence, total work done by both=20/3 days
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