How many seconds will a 500 meter long train moving with a speed of 63 km/hr take to cross a man walking with a speed of 3 km/hr in the direction of the train ?
Choices:
A) 33  B) 87  C) 30  D) 88  E) 77
Explanation:   Distance = 500 m   Speed of the train relative to man= ( 63 - 3 ) km/hr = 60 km/hr   = m/s = m/s   Time taken to pass the man = distance/speed = sec = 30 sec   Answer: 30) 30
<result>C</result>
How many seconds will a 500 meter long train moving with a speed of 63 km/hr take to cross a man walking with a speed of 3 km/hr in the direction of the train ?