Question

A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods train?
A.230 m
B.240 m
C. 260 m
D.270 m

Answer 1

A. 230 m

B. 240 m

C. 260 m

D. 320 m

E. None of these

Answer: Option A

Explanation:

Relative speed = (120 + 80) km/hr

  =  200 x 5 m/sec

18

  =  500 m/sec.

9

Let the length of the other train be x metres.

Then, x + 270 = 500

9 9

x + 270 = 500

x = 230.