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
Answer / 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|
Answer / mari
Distance = speed*time
=15*20/60(convert mins to hours)
time =15/60(convert mins to hours)
|Is This Answer Correct ?||17 Yes||0 No|
Answer / hari
its definitely 20kmph............
|Is This Answer Correct ?||12 Yes||0 No|
Answer / lavanya
Speed1 * time1=Speed2 * Time2
15 *20=x *15
Ans : 20kmph
|Is This Answer Correct ?||11 Yes||0 No|
Answer / s chand
total 5km distance
5km in 15 min
|Is This Answer Correct ?||8 Yes||0 No|
Answer / surya teja challapalli
Distance travelled by the student in 20 mins=15*(20/60)=5 km
In 15 min student must travelled with speed,=5/(15/60)
|Is This Answer Correct ?||7 Yes||1 No|
Answer / hemant singh
speed1*time1=Distance = speed2*time2
20*15 = speed2*15
|Is This Answer Correct ?||3 Yes||0 No|
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