Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. their lengths are 1.10 km and 0.9 km respectively. the time taken by the slower train to cross the faster train in seconds is select one:
a. 28 sec
b. 36 sec
c. 48 sec
d. 52 sec
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52 seconds will be taken to cross the fast train
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