Question

Q3. Find the time taken by a train of
length 350 metre with a speed of 39
km per hour cross another train of
length 280 metre with a speed of 33
km per hour going in the opposite
direction on a parallel track​

Answer 1

Answer:

speed=distance/time

Step-by-step explanation:

39=350/t

39t=350

t=350/39

t=9

33=280/t

33t=280

t=280/3

t=93

LCM of 9 and 93= 279

Answer=279minutes