Question

a 1500m long train is going at a speed of 40km per hour .how much time will it take to pass through 2500 m long platform...plz explain

Answer 1

time taken for train =1500
1km=1500÷40=37.5
time taken for train =2500÷37.5=66.6666666667

Answer 2

Train length = 1500 m
Platform Length = 2500 m
Add : 1500 + 2500 = 4000 m
speed = 40 km/h
put formula = 4000/40 = 100 is answer