A train travels 60km in M minutes. If its average speed i...
A train travels 60km in M minutes. If its average speed is 400km per hour, find the value of M
15
12
10
9
Correct answer is D
Average speed = DistanceTime
400kmhr=60kmTime
Time = 60km400km/hr
= 60hr400
M = 60hr400×60min1hr
= 9 minutes
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