Without stoppages, a train travels certain distance with an average speed of 200 km/h, and with stoppages, it covers the same distance with an average speed of 160 km/h. How many minutes per hour the train stops ?	Select the correct option
A) 8  B) 9  C) 10  D) 11  E) 12

Rationale: "due to stoppages , it covers 40 km less . time taken to cover 40 km = 40 â  „ 200 h = 1 â  „ 5 h = 1 â  „ 5 ã — 60 min = 12 min answer e"
Answer: E