Two men and seven boys can do a work in 14 days Three men and eight boys can do the same work in 11 ...........

Quantitative Aptitiude (CLAT) Time and work

Two men and seven boys can do a work in 14 days. Three men and eight boys can do the same work in 11 days. Further eight men and six boys can do three times the amount of this work in:

21 days

18 days

24 days

30 days

Explanation:

Let one man’s one day work be x

Let one boy’s one day work be y

2x+7y=1/14 ... (1)

3x + 8y = 1 /11 ... (2)

Equating (1) & (2), x = 1 / 77 and y = 1/ 154

Hence, the days taken to complete by 8 men and 6 boys

3 times the work can be completed by 8 men and 6 boys = 3 * 7 = 21 days.

By: Amit Kumar

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Two men and seven boys can do a work in 14 days Three men and eight boys can do the same work in 11 ...........

Explanation:

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