Quantitative Apitude-Time and Distance
Quantitative Apitude-Time and Distance
21. A thief steals a car at 2.30 p.m. and drives it at 60 kmph.the theft is discovered at 3 p.m. and the owner sets off in another car at 75 kmph.When will he overtake the thief ?
- 4.30 p.m.
- 4.45 p.m.
- 5 p.m.
- 5.15 p.m.
22. Bombay Express left Delhi for Bombay at 14.30 hrs, travelling at a speed of 60 kmph and Rajdhani Express left Delhi for Bombay on the same day at 16.30 hrs. travelling at a speed of 80 kmph. How far away from Delhi will the two train meet ?
- 120 km
- 360 km
- 480 km
- 500 km
23. A mostorist covers a distance of 39 km in 45 minutes by moving at a speed of x kmph for the first 15 minutes, then moving at double the speed for the next 20 minutes and then again moving at his original speed for the rest of the journey. Then, x is equql to
- 31.2
- 36
- 40
- 52
24. A man goes uphill with an average speed of 24 kmph and comes down with an average speed of 36 kmph. The distance travelled in both the cases being the same, the average speed for the entire journey is:
- 30 km/hr
- 28.8km/hr
- 32.6 km/hr
- None
25. A and B are two towns. Mr. Faruqui covers the distance from A and B on cycle at 17 kmph and returns to A by a tonga running at a uniform speed of 8 kmph. His average speed during the whole journey is:
- 12.5 km/hr
- 5.44 km/hr
- 10.88 km/hr
- None
26. A man drives 150km from A to B in 3 hours 20 min. and returns to A in 4 hours 10 min. Then, average speed from A to B exceeds the average speed for the entire trip by :
- 5 km/hr
- 4.5 km/hr
- 4 km/hr
- 2.5 km/hr
27. A car covers four successive 3 km stretches at speeds of 10 kmph, 20 kmph, 30 kmph and 60 kmph respectively. Its average speed over this distance is :
- 900 km
- 945 km
- 990 km
- 1350 km
28. A car covers four successive 3 km stretches at speeds of 10 kmph, 20 kmph, 30 kmph and 60 kmph respectively. Its average speed over this distance is :
- 20 km/hr
- 25 km/hr
- 30 km/hr
- 15 km/hr
29. A car completes a certain journey in 8 hours. It covers half the distance at 40 kmph and rest at 60 kmph. The total distance of the journey is :
- 350 km
- 384 km
- 400 km
- 420 km
30. An aeroplane travels distance 2500 km, 1200 km and 500 km at the rate of 500 km/hr. 400 km/hr and 250 km/hr respectively. The average speed (in kmph) is :
- 405
- 410
- 420
- 575