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 / 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 |
Answer / charchit
A beat B by 15 m
mince A is on 100 m and B on 85 m.....cndn 1
B beat C by 10 m
mince B is on 100 m and c is on 90 m......cndn 2
If B moves 1 m then C moves .9 m
If A beats c by 5 sec,then the distance =100-75=25m
then 25/5=5m
Is This Answer Correct ? | 1 Yes | 18 No |
Answer / dinesh
when A beats B by 15m ,that means A completes the
race(100M),B=(100-15=85m).
when B beats c by 10m that means B=85m and c=85-10=75m
if A beats c by 5 sec,then the distance =100-75=25m
then speed c=25/5=5m.
Is This Answer Correct ? | 3 Yes | 23 No |
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