Question

two trains 110m and 100m long are running on parallel tracks, in the same direction with a speed of 46 km/hr and 39 km/hr respectively. How long will it take to be clear of each other? ​

Answer 1

Answer is in the attachment.

Hope it helps!!

Answer 2

⟹ Let the length of each train is x meter

⟹ Distance will be x+x = 2x

⟹ Relative Speed = 46-36 = 10 km/hr

= 10*(5/18) = 25/9 m/sec

⟹ Distance = Speed*Time

⟹ 2x=259∗362x=100=>x=50

So the answer is 50