Two men can complete a piece of work in four days. Two women can complete the same work in eight days. Four boys can complete the same work… — Answer & Discussion

Two men can complete a piece of work in four days. Two women can complete the same work in eight days. Four boys can complete the same work in five days. If four men, eight women and 20 boys work toge

A1/2 day
B1(1/2) days
C1 day
D2 days

Correct answer: A

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Discussion 1

CCommunity05 Jul 2021

1/2 day

Two men take four days to complete the work four men would take (2 * 4)/4 = 2 days to complete it.

Similarly four women would take two days to complete it and 20 children would take one day to complete it.
All the three groups working togerther will complete 1/2 + 1/2 + 1/1 work in a day
= 2 times the unit work in a day.
They will take 1/2 a day to complete it working together.