Excluding stoppages, the speed of an express train is 60 km/h and including stoppages it is 48 km/h. For how many minutes does the train stop per hour? MCQ with Answer and Explanation
Excluding stoppages, the speed of an express train is 60 km/h and including stoppages it is 48 km/h. For how many minutes does the train stop per hour?
A. 10 minutes
B. 12 minutes
C. 14 minutes
D. 15 minutes
Answer: Option B
Solution (By JKSSB Mock Tests)
Stoppage time per hour = (60 - 48) / 60 = 12 / 60 = 1/5 hour. In minutes = (1/5) * 60 = 12 minutes.
Two outposts M and N are 320 km apart. Train A leaves M for N at 40 km/h at 6:00 AM. Train B leaves N for M at 60 km/h at 8:00 AM. At what time will they cross?
No comments yet. Be the first to start the discussion!