Two trains 150 m and 100 m in length, respectively, are running in opp – McqOptions

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1.	Two trains 150 m and 100 m in length, respectively, are running in opposite directions, one at the rate of 39 km/h and the other at the rate of 21 km/h. In how much time will they be completely clear of each other from the moment they meet?
A.	10 sec
B.	18 sec
C.	15 sec
D.	20 sec
Answer» D. 20 sec

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