Question

If a train speed pasts a pole at 15s and a station of 100m in 25s .Find the length of the train

Answer 1

$<i>$Let the length of the train be x metres.

Speed = Distance/time

Considering Pole,
Distance covered by train = x
time taken = 15sec
Speed of train = x/15 --[1]

Considering Platform
length of platform = 100m
Distance covered by train = x+10
Time taken = 25 sec
Speed of train = (x+100)/25 --[2]

Equate both [1] n [2]

x/15 = (x+100)/25
25x = 15(x+100)
x = 150 m

So length of train is 150 mts

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