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In a race of 1000 metres, X gives Y a start of 175 m and defeats him by 50 seconds. If speed of X is 5 m/s, then the speed of Y is

Solution

✅ Correct Option: 2

X runs 1000 m at 5 m/s, taking 200 seconds.

With a 175 m start, Y covers 1000−175=8251000-175=825 m, and is beaten by 50 seconds, so Y takes 200+50=250200+50=250 seconds.

Speed of Y =825250=3.3=\frac{825}{250}=3.3 m/s.

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