Without stoppages, the speed of a train is 150 km/h and with stoppages, it is 100 km/h. How many minutes, does the train stop?

A) 20
B) 15

C) 25
D) 45

Correct answer:
A) 20

Description for Correct answer:
Because of stoppages, train covers 50 km less per hour.

Therefore, Time taken to cover 50 km

= \( \Large \frac{50}{150} h =\frac{50}{150} \times 60 \)

= 20 min.

Please provide the error details in above question

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