Q207
How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr ?
A.
25 seconds
B.
30 seconds
AnswerC.
40 seconds
D.
45 seconds
Answer: Option B
Solution
Answer: Option B
Solution:
Vrel. = 63 - 3 = 60 km/hrT = sec = 30 sec
∴ Required time = 30 seconds