समय और दूरी
Time and Distance
Question 4 of 36
Question 4
Excluding stoppages, the speed of a bus is 54 km/hr and including stoppages, it is 45 km/hr. For how many minutes does the bus stop per hour?
A. (a) 10 min
B. (b) 20 min
C. (c) 15 min
D. (d) 12 min
Explanation रुकने का समय = (चाल का अंतर / बिना रुके चाल) * 60 = ((54-45)/54) * 60 = (9/54) * 60 = 10 मिनट।
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