Excluding stoppages, a bus travels at 60 km/h and including stoppages it travels at 50 km/h. How many minutes does the bus stop per hour? MCQ with Answer and Explanation

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Excluding stoppages, a bus travels at 60 km/h and including stoppages it travels at 50 km/h. How many minutes does the bus stop per hour?

A. 8 minutes

B. 15 minutes

C. 12 minutes

D. 10 minutes

Answer: Option D

Solution (By JKExamLibrary)

Stoppage time per hour = (60 - 50) / 60 = 10 / 60 = 1/6 hour. In minutes = (1/6) * 60 = 10 minutes.

This question belongs to: Maths Time Speed and Distance

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Practice More Time Speed and Distance Questions

Question #1 Report Error

Two points P and Q are 210 km apart. Train A leaves P for Q at 50 km/h at 10:00 AM. Train B leaves Q for P at 70 km/h at 11:00 AM. At what time will they pass each other?

A. 12:00 PM

B. 12:20 PM

C. 12:40 PM

D. 1:00 PM

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Correct Answer: Option B

Explanation:
By 11:00 AM, Train A covers 50 km * 1 hour = 50 km. Remaining distance = 210 - 50 = 160 km. Relative speed = 50 + 70 = 120 km/h. Time to meet after 11:00 AM = 160 / 120 = 4/3 hours = 1 hour 20 minutes. Meeting time = 11:00 AM + 1 hour 20 minutes = 12:20 PM.

This question belongs to: Maths Time Speed and Distance

Question #2 Report Error

Walking at 3/4 of his usual speed, a man is 20 minutes late to his office. Find his usual time to reach the office.

A. 80 minutes

B. 70 minutes

C. 50 minutes

D. 60 minutes

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Correct Answer: Option D

Explanation:
New Speed = 3/4 of usual speed, so New Time = 4/3 of usual time. Change in time = 4/3 * T - T = 1/3 * T = 20 minutes. Usual time T = 60 minutes.

This question belongs to: Maths Time Speed and Distance