InterviewSolution
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3 girls can do a piece of work in 8 days, 3 boys can do the same piece of work in 9 days, 7 men do the same piece of work in 3 days and 6 women can do the same piece of work in 4 days. Who is the most efficient?1). Boys2). Girls3). Women4). Men |
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Answer» Based on given data, Work DONE by 3 girls in 1 day = 1/8 Work done by 3 boys in 1 day = 1/9 Work done by 7 men in 1 day = 1/3 Work done by 6 women in 1 day = 1/4 ASSUMING all girls are equally efficient, Work done by 1 girl in 1 day = 1/3 × 1/8 = 1/24---(1) Assuming all boys are equally efficient, Work done by 1 BOY in 1 day = 1/3 × 1/9 = 1/27---(2) Assuming all men are equally efficient, Work done by 1 man in 1 day = 1/7 × 1/3 = 1/21---(3) Assuming all women are equally efficient, Work done by 1 woman in 1 day = 1/6 × 1/4 = 1/24---(4) From 1,2,3,4, 1/27 < 1/24 < 1/21 Thus the least efficiency is 1/27 and the GREATEST efficiency is 1/21. Thus, men are the most efficient. |
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