It takes 24 seconds for a train of 240 metres to pass a pole. How long will it take to pass a 650-meter platform?
A. 65 sec
B. 89 sec
C. 100 sec
D. 150 sec
Answer:B
It takes 24 seconds for a train of 240 metres to pass a pole. How long will it take to pass a 650-meter platform?
A. 65 sec B. 89 sec C. 100 sec D. 150 sec
Explanation: 240/24 m/sec equals 10 m/sec.Time required = 240 + 650/10 sec = 89 sec.