Question

A train 150 m long passes a tree in 12 seconds.How long will it take to pass a tunnel 250m long? ​

Answer 1

Answer:

15 seconds

Step-by-step explanation:

15 seconds because you have to divide with that

Answer 2

Answer:

In 1 second pass a train 12.5 m

then 12 second pass a train = 12.5*12=150m

then 250 m = 250/12.5= 20 second