Question

Manish takes 9 days more than his father to do the certain piece of work together they can do the work in 6 days how many days will money take to do the work alone​

Answer 1

Let, the father do the work in 1 day the Manish will do that work in 1+9 = 10 days

Thus, 1 day work of father = 10 and 1 day work of Manish = 1

Also, given that : Together they can do the work in 6 days

It means total work = (1+10)×6 = 66

Manish will take time to do the whole work alone = 66/1 = 66 days

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Answer 2

Answer:

Manish takes -3/2 days to complete the work alone