A person covers a certain distance at a certain speed if he increases his speed by 25% then he take 12min less to cover the same distance find the time taken by him to cover the distance initially traveling at the original speed ?
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Answer:
let speed of the car 100 km/hr
time =t hrs
d=t*100
the speed is increased by 25% the new speed is 125 km/hr
time is decreased by 12 sec new time = t- 12/60 hrs
100 * t = 125 *(t - 12/60)( distance traveled is same)
t= 1 hr
Answered by
1
Answer:
let speed of the car 100 km/hr
time =t hrs
d=t*100
the speed is increased by 25% the new speed is 125 km/hr
time is decreased by 12 sec new time = t- 12/60 hrs
100 * t = 125 *(t - 12/60)( distance traveled is same)
t= 1 hr
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