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Question

4 men can complete a piece of work in 2 days. 4 women can complete the same piece of work in 4 days whereas 5 children can complete the same piece of work in 4 days. If 2 men, 4 women and 10 children work together, in how many days can the work be completed?


A
1 day
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B
3 days
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C
2 days
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D
4 days
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E
None of these
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Solution

The correct option is C 1 day
1 man can do the work in 8 days.
1 woman can do the work in 16 days.
1 child can do the work in 20 days.
2m + 4w + 10c can do the work in -
(28+416+1020)×d = 1
(14+14+12)×d = 1
d = 1

Quantitative Aptitude

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