Akash can do a certain work in 20 days and Mohan can complete the same work in 30 days. If they work together, then in how many days will the work get done?

 Let's assume the total work to be done is 1 unit.

Akash can complete the work in 20 days, so his work rate is 1/20 units per day.

Mohan can complete the same work in 30 days, so his work rate is 1/30 units per day.

When they work together, their work rates will add up. So their combined work rate is:

1/20 + 1/30 = 3/60 + 2/60 = 5/60 = 1/12 units per day.

This means they can complete 1/12 units of work in a single day, so the total number of days required to complete the work will be:

1/(1/12) = 12 days.

Therefore, Akash and Mohan working together can complete the work in 12 days.


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