GMAT Exam Category

Find the time taken by a train 150 m long running at a speed of 63 kmph to cross another train of length 100 m long running at a speed of 45 kmph in the same direction
a)25 seconds b)50 seconds c)75 seconds d)100 seconds

Read Solution (Total 1)

(63-45)*5/18=250/T
5=250/T
T=250/5=50 seconds
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GMAT Other Question

A person leaves his house and travelling at 4 kmph reaches his office 10 minutes late. Had he travelled at 7kmph he would have been 20 mins early. Find the distance from the house to the office?
a)14/3 b)2 c)14/9 d)14/6
A train crosses two persons, cycling in the same direction as the train in 12 and 18 seconds respectively. If the speeds of the two cyclists are 9 and 18 kmph respectively. Find the length and speed of the train.
a)80 m b89 m c)98 m d)90 m