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If two men or four women can do a work in 33 days and 3 men and 5 women can do the same work in 24 days? How long shall 5 men and 2 women take to do the same work? |
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Answer» 2 men and 4 women can do a work in 33 days. 66 men and 132 women can do a work in 1 day Similarly 3 men and 5 women can do a work in 24 days 72 men and 120 women can do a work in 1 day ∴ 66 men + 132 women = 72 men + 120 women ∴ 1 man = 2 women 5 men + 2 women = 10 women + 2 women =12 women Let the required number of days be x 2 men + 4 women = 4 women + 4 women = 8 women 8W : 12W = x : 33 12x = 33 × 8 ∴ x = 22 days |
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