Question

If 3boys can finish a work in 9 days,how long will 9boys take to finish the same work?​

Answer 1

Answer:

it will take 3 days to complete the work.

Hope it helps you.

Thank you.

Answer 2

Answer:

Since 3 men or 9 boys do the work in 21 days, 1 man is equivalent to 3 boys.

The work involved is 9*21 equivalent to 189 boy-days.

So 5 men and 6 boys is the same as 15+6 = 21 boys. So the time taken is 189 boy-days/21 boys = 9 days.

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Step-by-step explanation:

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