Question: 3 workers transfer a tool weighing 120kg in 12 seconds. How many men are required to transfer it in 9 seconds?\nOptions:\n(A) 4\n(B) 5\n(C) 6\n(D) 7\n(E) 8 Let's think first. Some random reasoning:
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We have, M1D1H1 = M2D2H2\n3*120*12 = M2*120*9\nM2 = 3*120*12/120*9 = 4 The final answer: (A).
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