Question

A train of length 500 m crosses a platform in
50 sec and another train of the same length,
moving in the opposite direction with double
the speed of the first train, crosses the a pole
in 20 sec. What is the length of the platform?​

Answer 1

Answer:

this is motion and time

Step-by-step explanation:

i"ll give you a hint

distance =speed×time

time =distance/speed

speed =distance/time