Question

how many days will 1440 mens take to dig a trench , if 640 men can do the same in 36 days​

Answer 1

Answer:

640 men = 36 days

1440 men = x days. (cross multiplication)

1440*36 = 640*x

51840 = 640x

51840/640 = x

81 = x

hence, 81 days will be taken by 1440 mens.

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Answer 2

Answer:

16 days

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