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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 ?

Answers were Sorted based on User's Feedback

One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should h..

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

One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should h..

Distance = speed*time
=15*20/60(convert mins to hours)
=5 km

Distance=5 km;
time =15/60(convert mins to hours)
speed =distance/time
=5*15/60
=20 km/hr

 Is This Answer Correct ? 17 Yes 0 No

One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should h..

its definitely 20kmph............

 Is This Answer Correct ? 12 Yes 0 No

One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should h..

Speed1 * time1=Speed2 * Time2
15 *20=x *15
Then,x=20kmph

Ans : 20kmph

 Is This Answer Correct ? 11 Yes 0 No

One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should h..

speed =15kmph
distance=speed*time
=15*(20/60)=5km
speed=distance/time
=5/(15/60)=20kmph

 Is This Answer Correct ? 9 Yes 0 No

One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should h..

total 5km distance
5km in 15 min
therefore 20kmph

 Is This Answer Correct ? 8 Yes 0 No

One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should h..

Distance travelled by the student in 20 mins=15*(20/60)=5 km

In 15 min student must travelled with speed,=5/(15/60)
=5*(60/15)
=5*4= 20km/hr.

 Is This Answer Correct ? 7 Yes 1 No

One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should h..

speed1*time1=Distance = speed2*time2

20*15 = speed2*15

speed2=20 kmph

 Is This Answer Correct ? 3 Yes 0 No

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