Question

Please answer the above question.
It's urgent.
I will mark as brainlist.​

Answer 1

The answer is 8 hours.

The first is ahead of 8 hours.

Pls mark me as brainliest

Answer 2

answer.....

8 hours

time taken by first train=1 hr

time taken by second train=9 hrs

no. of hours slow = 9 hrs -1 hr

                              =8hrs

hope it helps you........