Two identical trains A and B running in opposite directions at same speed take 2 minutes to cross each other completely. The number of bogies of A are increased from 12 to 16. How much more time would they now require to cross each other? `20 s e c` b. `40\ s e c` c. `50\ s e c` d. `60\ s e c`

If two train of length a metres and b metres are moving in opposite direction at u m/s and v m/s: then time taken by trains to cross each other.

Two trains are running in opposite direction is with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then the speed of each train (in km/hr) is 10 b. 36 c. 18 d. 72

Two trains A and B start running together from the same point in the same direction, at the speeds of 60 kmph and 72 kmph respectively. if the length of each of the trains is 240 metres,, how long will it take for train B to cross train A? 1min2 s e c s b. 1min24 s e c c. 2min12 s e c s d. 2min24 s e c s

Two trains A and B travel in two parallel rain tracks in opposite direction with speed v_(1) and v _(2) respectively. They take 4 s to pass each other at this speed. If thte speed of train A is increased by 50% then they take 3 s to pass each other. The ratio of v_(1)//v_(2) is

Two trains of lengths 120 m and 90 m are running with speeds of 80 km/hr and 55 km/hr respectively towards each other on parallel lines. lf they are 90 m apart, after how many seconds they will cross each other? 5. 6 s e c b. 7. 2 s e c c. 8 s e c d. 9 s e c