1. A train met with an accident 60km away from station A. It completed the remaining journey at 5/6th of the original speed and reached station B 1hr 12mins late. Had the accident taken place 60km further, it would have been only 1hr late. what was the original speed of the train?
A) 50km/hr
B) 45km/hr
C) 60km/hr
D) 55km/hr
E) None
2. Two man start together to walk a certain distance, one at 4 km/hr and another at 5 km/hr. The former arrives half an hour before the latter. Find the distance.
A) 10km
B) 15km
C) 20km
D) 8km
E) None
3. In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is:
A) 2hrs
B) 1hr 30min
C) 2hrs 15min
D) 1hr
E) None
4. Two racers start running towards each other, one from A to B and another from B to A. They cross each other after one hour and the first racer reaches B, 5/6 hour before the second racer reaches A. If the distance between A and B is 50 km. what is the speed of the slower racer?
A) 15km/hr
B) 20km/hr
C) 25km/hr
D) 30km/hr
E) None
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