rupesh completes a work in 3 days and sakshi completes it in 1 day only ..if they both complete the work in 15 days then how many days rupesh took in completing the work ??

Answer 1

I answered a similar question not long ago. Here is the solution to that:

The rate to do a piece of work from each:

Tom = 1/3 and Jerry = 1/1 or 1

Add: 1/3 + 1 = 1 1/3 or 4/3 (improper fraction)

4/3 * 15 = 20

This means that it will take 20 pieces of work to complete the job.

Therefore, Tom will finish the work in 20*3 = 60 days.

Answer 2

Keep in mind that it takes "Rupesh" three times as long to do the job.