Question

Train A of length 240 m can cross a platform of length 480 m in 36 second. The ratio of speed of Train A and Train B is 4:5. Then find the length of Train B if Train B can cross a pole in 24 seconds .
A. 560 m
B. 600 m
C. 640 m
D. 700 m

Answer 1

Correct Answer - B
Let speed of train A be S
` S xx 36 = 720`
S = 20m/s
`A : B = 4 : 5`
Speed of B = 25 m/s
Length of train B = `25 xx 24 = 600 m`