Two trains are moving in opposite directions at 60km/hr and 90km/hr. Their lengths are 1.10km and 0.9km respectively. The time taken by the slower train to cross the faster train in second is
A. 36
B. 45
C. 48
D. 49
Two trains are moving in opposite directions at 60km/hr and 90km/hr. Their lengths are 1.10km and 0.9km respectively. The time taken by the slower train to cross the faster train in second is
A. 36
B. 45
C. 48
D. 49










