A train is 100 m long and is moving with a speed of 72 kmph. The time

1.	A train is 100 m long and is moving with a speed of 72 kmph. The time taken by the train to cross abridge of length 0.5 km isa)25 sb) 35 sc) 30 sd) 28 s
Answer» =>total distance=100+1000=1100m =>velocity=72 km/h=(72 x 1000)/3600=20 m/s => speed=distance/time =>•°• time=1100/20= 55 sec your 6 th C batch am I right

A train is 100 m long and is moving with a speed of 72 kmph. The time taken by the train to cross abridge of length 0.5 km isa)25 sb) 35 sc) 30 sd) 28 s

Answer»

=>total distance=100+1000=1100m

=>velocity=72 km/h=(72 x 1000)/3600=20 m/s

=> speed=distance/time

=>•°• time=1100/20= 55 sec

your 6 th C batch am I right