Question

w men can do a piece of work in 3 days and 6 days ,if the work together in how many days will they finish the work​

Answer 1

Step-by-step explanation:

Suppose two persons are A and B.

A can do 1 work in 4 days, so in 1/4 work in 1 day. Similarly B can do 1/6 work in 1 day.

If they work together, then they can do 1/4 + 1/6 work in 1 day.

A+B = 1/4 + 1/6 work = 5/12 work in 1 day.

Now, in 1 day , 5/12 work

Therefore, in 12/5 days 5/12 * 12/5 = 1 work.

Answer: 12/5 days.

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