Question

30 men can do a piece of work in 12 days. in how many days 9 men can do the same work

Answer 1

40 days.

Step-by-step explanation:

30 men can do 1 work in 12 days.

1 man can do 1 work in 12 × 30 days.

9 men can do 1 work in 12 × 30/9 days =

40 days

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