TIME, SPEED AND DISTANCE (TRAIN, BOAT & STREAM) (QUANTITATIVE APTITUDE) EPFO UPSC

Total Questions: 35

31. A thief steals a car at 1.30 P.M. and drive it off at 40 km/hr. The thieft is discovered at 2 P.M. and the owner sets off in another car at 50 km/hr. he will overtake the thief at

Correct Answer: (b) 4 p.m.
Solution:

32. A train covers a distance of 3584 km in 2 days 8 hours. If it covers 1440 km on the first day and 1608 km on the second day, by how much does the average speed of the train for the remaining part of the journey differ from that for the entire journey?

Correct Answer: (a) 3 km/hr
Solution:

33. A car driver leaves Bangalore at 8 : 30 A.M. and expects to reach a place 300 km from Bangalore at 12:30 P.M. At 10:30 he finds that he has covered only 40% of the distance. By how much he has to increase the speed of the car in order to keep up his schedule ?

Correct Answer: (d) 30 km/hr
Solution:

34. A train leaves a station A at 7 am and reaches another station B at 11 am. Another train leaves B at 8 am and reaches A at 11.30 am. The two trains cross one another at

Correct Answer: (d) 9 : 24 am
Solution:

35. If a man walks at the rate of 5 km/hour, he misses a train by 7 minutes. However if he walks at the rate of 6 km/hour, he reaches the station 5 minutes before the arrival of the train. The distance covered by him to reach the station is

Correct Answer: (c) 6 km
Solution: