Time Speed and Distance (Railway Maths) (Part – IV)

Total Questions: 50

21. Rohan had to travel from A to B. He covered 75% of the distance at a speed of 60km/h and the remaining distance at a speed of 40 km/h. What was his average speed for the entire journey? [RRB NTPC 17/02/2021 (Evening) ]

Correct Answer: (c)
Solution:

22. Vinod traveled from his home to his office at a speed of 20 km/h and walked back at a speed of 5 km/h. The whole journey took 4 h. The distance between his office and his home is: [RRB NTPC 22/02/2021 (Evening)]

Correct Answer: (c) 16 km
Solution:

23. A and B start simultaneously from point X and go towards point Y. X and Y are 60 km apart. A’s speed is 4 km/h less than that of B. B after reaching Y, returns and meets A at a point 12 km away from Y. Find the speed of A. [RRB NTPC 27/02/2021 (Morning)]

Correct Answer: (c) 8 km/h
Solution:

24. A train covers a distance of 12 km in 25 minutes. If its speed is decreased by 5 km/hr, then the time (in minutes) taken by it to cover the same distance will be: [RRB NTPC 27/02/2021 (Evening) ]

Correct Answer: (d)
Solution:

25. An air jet covers a certain distance at a speed of 144 km/hr in 5 hours. To cover the same distance in 2 hours, what is the required speed of the air jet? [RRB NTPC 27/02/2021 (Evening)]

Correct Answer: (c) 360 km/hr
Solution:

26. The ratio of the speeds of a car, a train and a bus is 4 : 7 : 3. The average of the speeds of the car, the bus and the train is 70 km/h. What is the average of the speeds of the car and the train? [RRB NTPC 01/03/2021 (Evening)]

Correct Answer: (a) 82.5 km/h
Solution:

27. A person desires to reach his destination, 84 km away, in 4 h. For the first half of the distance, his speed was 28 km/h. What should his speed be for the rest of the distance? [RRB NTPC 02/03/2021 (Evening) ]

Correct Answer: (c)
Solution:

28. A train passes two persons who are walking in the opposite direction of the train at the rates of 4 m/s and 10 m/s in 10 seconds and 8 seconds respectively. What is the speed of the train? [RRB NTPC 03/03/2021 (Morning)]

Correct Answer: (b) 20 m/s
Solution:

29. A scooterist travels for 5 h, the first half of the distance at 21 km/h, and the rest at 24 km/h. Find the distance traveled. [RRB NTPC 03/03/2021 (Evening)]

Correct Answer: (d) 112 km
Solution:

30. A man covered a distance of 32 km. After 1 hour 20 minutes he noticed that the distance he covered is 5/7th of the remaining distance. What was his speed in km/hr? [RRB NTPC 04/03/2021 (Morning) ]

Correct Answer: (d) 10 km/hr
Solution: