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One student takes 20 mins to reach school if he goes at a
speed of 15kmph .At what speed should he go to reach in
15 mins ?
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Answer Posted / sabarish
ans: 20 kmph
let d be distance .
d / (1/3) = 15 thrfore .. d = 5km
to travel 5 km in 15 min he must travel in speed of..
5 / (1/4) = 20 kmph
| Is This Answer Correct ? | 36 Yes | 0 No |
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