Question

31. Two trains of length 125 m and 175 m
are travelling in the same direction at
40 km/h and 22 km/h respectively. In
what time will they completely pass
each other?
(A) 60 second
(B) 30 second
(C) 120 second
(D) 40 second
(E) None of these​

Answer 1

Answer:

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Answer 2

Answer:

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