Question

a train 150m long passes a tree in 12 second how long will it take to pass a tunnel 250m long​

Answer 1

Answer:

HERE IS YOUR ANSWER.........

Answer 2

Step-by-step explanation:

a train 150 m long passes a tree in 12 sec

so the train covered the distance 150 m in 12 sec

when it pass a tunnel of 250 m long,so it covered the distance (250+150)m=400m

150 m covered in 12 sec

1 m covered in 12/150 sec

400 m covered in 12×400/150 sec

=32sec

To pass the tunnel 250 m long the train takes 32 sec