Use some thinking to answer the following question. In a race of 600 metres, A can beat B by 60 metres and in a race of 500 metres, B can beat C by 50 metres. By how many metres will A beat C in a race of 400 metres?\nOptions:\n(A) 76 metres\n(B) 80 metres\n(C) 70 metres\n(D) 84 metres\n(E) None
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A runs B runs C runs\n600 metres race 600m 540 m\n500 metres race 500 m 450m\nCombing ratio A runs B runs C runs\n300metres - 2700meters - 2430metres\nUnitary A runs B runs C runs\nMethod 400mtres - 360 metres - 324 metres\n? A beats C by 400-324 = 76 metres. So the final answer is (A).
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