The length of two superfast trains are 140 mts and 160 mts respectively. If they run at the speed of 60 km/hr and 80 km/hr respectively in opposite direction, find the time in which they will cross each other ?
A) 7.71 sec
B) 10.48 sec
C) 9.36 sec
D) 8.45 sec
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the answer is option c
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