A runs 134 times as fast as B. If A gives B a start of 120 meters, how far must the winning post be in order that A and B reach it at the same time?
Explanation:
Ratio of rates of A and B = 7 : 4
i.e., 3 meters are gained by A in a race of 7 meters
∴ 120 m. are gained by A in a race of (7/3 × 120) = 280 meters.
Hence, option (c).
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