in a 100m race , A beats B by 15m and B beats C by 10m . If A
beats C by 5 sec then find the speed of C.
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Answer Posted / subrat
A beats B by 15m
means when A moves 100m B moves 85m.
B beats C by 10m
means when B moves 100m C moves 90m.
=>when B moves 1m C moves .9m.
=>when B moves 85m C moves .9*85m=76.5m.
If A beats C by 5 sec
=>c takes 5sec to moves 23.5m.
=>c takes 1sec to moves 4.7m.
=>speed=4.7m/sec.
| Is This Answer Correct ? | 65 Yes | 6 No |
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