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Two trains are running in the same direc...

Two trains are running in the same direction whose length are 110 m and 90 m respectively. The speed of faster train is 40 km/h. If it crossses the slower train in 144 seconds then find the speed of slower train.

A

30 kmph

B

35 kmph

C

32 kmph

D

33 kmph

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The correct Answer is:
B
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