1.

15 men can finish the work in 40 days. the number of days in which the piece of work can be done by 20 men.Note: Do it step by step.. ​

Answer»

number of MEN. time(DAYS)

15. 40

20. ?(X)

number of men and time is in DIRECT proportion

15:20::40:x

therefore time=20×40/15=54 days



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