In a journey of 500 km, the train was slowed down due to bad weather. Its average speed for the trip was reduced by 100 km/hr and the time of journey increased by 45 minutes. What is the duration of the journey in normal weather conditions?

In a journey of 500 km, the train was slowed down due to bad weather. Its average speed for the trip was reduced by 100 km/hr and the time of journey increased by 45 minutes. What is the duration of the journey in normal weather conditions?

1). 2.35 hr
2). 1 hr
3). 1.2 hr
4). 1.6 hr

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