Time, Speed and Distance (Part-5)

Total Questions: 50

21. Two motorists start together to travel to a certain destination, one at the speed of 4 km/h and the other at the speed of 6 km/h. Find the distance travelled by them (in km) if the motorist travelling at 4 km/h arrives half an hour after the other motorist. [SSC CGL 27/07/2023 (1st shift)]

Correct Answer: (c) 6
Solution:

22. A certain distance is covered by a person at a certain speed. If another person covers 25% of the distance in triple the time, the ratio of the speed of the first person to that of the second person is: [SSC CGL 27/07/2023 (2nd shift)]

Correct Answer: (d) 12:1
Solution:

23. A train takes 7 seconds to pass man standing on a platform and another train whose length is double that of the first train, and moving in the opposite direction, takes 10 seconds to pass him. The time taken (in seconds, to the nearest integer) by the trains to pass each other will be: [Graduate Level 30/06/2023 (Shift - 1)]

Correct Answer: (b) 9
Solution:

24. A goods train, travelling at constant speed, crossed two persons walking in the same direction (as that of the train) in 11.6 seconds and 11.8 seconds, respectively. The first person was walking at 5.85 km/h, while the second was walking at 6.3 km/h. What was the speed of the train (in km/h)? [Higher Secondary 27/06/2023 (Shift - 3)]

Correct Answer: (c) 32.4
Solution:

25. A bus is running at a speed of 60 km/h to cover a distance in 50 min. To reduce the time of the journey to 20 min, at what speed (in km/h) should the bus run? [Matriculation Level 27/06/2023 (Shift - 2)]

Correct Answer: (d) 150
Solution:

26. A bus covers a distance of 45 km in 45 minutes. If its speed is decreased by 20 km/hr, then what will be the time taken by it to cover the same distance? [SSC MTS 02/05/2023 (Morning)]

Correct Answer: (b) 67.5 minutes
Solution:

27. A man takes 6 hours to go to a place and come back by walking both the ways. He could have saved 2 hours by riding both the ways. The distance covered in the whole journey is 20 miles. What is the average speed for the whole journey if he goes by walking and comes back by riding? [SSC MTS 02/05/2023 (Morning)]

Correct Answer: (d) 4 miles/hr
Solution:

28. If Aman travels with 12.5 percent less speed of his usual speed, then he will reach 9 minutes late. What is the usual time taken by him? [SSC MTS 04/05/2023 (Afternoon)]

Correct Answer: (a) 63 minutes
Solution:

29. A person walks 10 km at a speed of 2.5 km per hour, then runs 10 km at a speed of 5 km per hour and then goes 30 km by bus at the speed of 30 km per hour. What is the average speed of the man? (in kmph) [SSC MTS 08/05/2023 (Morning)]

Correct Answer: (c) 7.14
Solution:

30. A truck covers a distance of 540 km at a certain speed in 9 hours. How much time (in hours) would a car take at an average speed which is 16 km/hr more than that of the speed of the truck to cover a distance which is 68 km more than that travelled by the truck? [SSC MTS 08/05/2023 (Evening)]

Correct Answer: (b) 8
Solution: