A bus's peak speed, excluding stoppages, is 54 kmph, while its top speed, including stoppages, is 45 kmph. How many times per hour does the bus stop?
A. 9
B. 10
C. 12
D. 20
Answer:B
A bus's peak speed, excluding stoppages, is 54 kmph, while its top speed, including stoppages, is 45 kmph. How many times per hour does the bus stop?
A. 9 B. 10 C. 12 D. 20
Explanation: It covers 9 km less due to stoppages.9 kilometres in 10 minutes = 9/54 x 60 minutes = 10 minutes.