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2 persons working 2 hours a day assemble 2 machines in 2 days. The num
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Bunuel
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2 persons working 2 hours a day assemble 2 machines in 2 days. The num [#permalink] New post  21 Jan 2021, 02:45
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2 persons working 2 hours a day assemble 2 machines in 2 days. The number of machines assembled by 6 persons working 6 hours a day in 6 days is

(A) 6
(B) 18
(C) 27
(D) 54
(E) 56
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2 persons working 2 hours a day assemble 2 machines in 2 days. The num [#permalink] New post  24 Jan 2021, 11:25
\(\frac{m_1d_1h_1}{w_1}=\frac{m_2d_2h_2}{w_2}\), whereas w = machines

\(\frac{2*2*2}{2}=\frac{6*6*6}{x}\)

\(x=\frac{6*6*6}{2*2}=6*9=54\)
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