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A child is standing on the platform of a station, watching the trains.
.
A train travelling at 30 m/s takes 3 s to pass the child.
What is the length of the train?
A 10m
B 30 m
C 90 m
D 135 m

Answer :

LxstRxmeo
C. 90 m

30m per second... and it takes 3 seconds

3x30= 90
alyssad111904
c 90 m
30 times 3 equals 90

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