Question

a 150m long train is moving with a uniform velocity of 45km/h.The time taken by the train to cross a bridge of length 850 m is:-
a)56sec
b)68sec
c)80sec
d)92sec​

Answer 1

Answer:

80sec is the answer of the following

Answer 2

Answer:

80 second

Explanation:

Total distance=850+150 = 1000 m.

Change 45 km / hr in m secs

= 25 by 2 m/secs

Time = 1000 by 25 / 2

then the time = 80 secs