A wheel rotates 20 times every minute and moves 35 cm during each rotation. How many metres does the wheel move in one hour?\nOptions:\n(A) 6 metre\n(B) 120 metre\n(C) 220 metre\n(D) 1200 metre\n(E) 420 metre Stream of consciousness first, then make a decision:
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Number of times wheel moves in 1 hour = 20 * 60 = 1200\n:. Distance moves = (1200*35) cms = 42000 cms\nIn metres = 420 metr
Thus, the answer is (E).
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