Two persons A and B start simultaneously from two places c km apart and walk in the same direction I...........

Quant (SSC) Time & distance

Two persons A and B start simultaneously from two places c km apart, and walk in the same direction. If A travels at the rate of p km/hr and B travels at the rate of q km/hr, then A has travelled before he overtakes B a distance of

qc /p + q km

62 kms/hr

c / p - q km

pc / p - q km

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Explanation:

Time taken by A to overtake B
= Distance / Relative speed = c / p - q
∴ Distance covered by A before he overtakes B = Speed × Time
⇒ p × c / p - q
= pc / p - q km