a train covers a distance of 13 km in 12 minutes. find the time taken by it to cover the same distance, if its speed was decreased by 5 kilometre per hour.
Answers
Answered by
3
distance = 13 km
time = 12 min
= 12/60 hr
speed = distance / time
= 13 /12 * 60
= 13* 5
= 65 km /hr
speed decreased by 5 km/hr
new speed = 65 -5
= 60 km/hr
time taken = distance / speed
= 13 / 60 hr
= 13 /60 * 60 min
= 13 min
Answered by
1
Answer:
Step-by-step explanation:
distance = 13 km
time = 12 min
= 12/60 hr
speed = distance / time
= 13 /12 * 60
= 13* 5
= 65 km /hr
speed decreased by 5 km/hr
new speed = 65 -5
= 60 km/hr
time taken = distance / speed
= 13 / 60 hr
= 13 /60 * 60 min
= 13 min
Hope this help u
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