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

Total Questions: 50

1. Two persons A and B start a journey from the same point at speed 3 km/h and 4 km/h respectively. If they move in the same destination, then what will be the distance between them after 6 h? [RRB NTPC 02/02/2021 (Morning)]

Correct Answer: (d) 6 km
Solution:

Relative speed = 4 - 3 = 1 km/h
D = 1 × 6 = 6 km

2. A man travelled from a school to a park at a speed of 20 km/h and walked back at a speed of 5 km/h. If the whole journey took 5 h, find the distance of the school from the park? [RRB NTPC 03/02/2021 (Morning)]

Correct Answer: (d) 20 km
Solution:

3. A train that is 110 m in length is running at 90 km/h. How much time will the train take to cross a bridge that is 180 m in length? [RRB NTPC 03/02/2021 (Evening)]

Correct Answer: (a) 11.6 s
Solution:

4. What is Ram’s average speed if he goes from Point X to Point Y at 8 km/h and returns from point Y to Point X at 12 km/h? [RRB NTPC 03/02/2021 (Evening)]

Correct Answer: (c) 9.6 km/hr
Solution:

5. A dog saw a cat at a distance of 280 m. The cat at once ran with the speed of 10 km/h and the dog also ran to catch it with the speed of 24 km/h. How much time will the dog take to catch the cat? [RRB NTPC 04/02/2021 (Evening)]

Correct Answer: (b) 1.2 min
Solution:

6. A man completes a journey in 11 h. He travels the first half of the journey at the speed of 25 km/h and the second half at the speed of 30 km/h. Find the total distance of the journey. [RRB NTPC 04/02/2021 (Evening) ]

Correct Answer: (a) 300 km
Solution:

7. Two men start walking together to a certain destination, one at the speed of 3 km/h and another at the speed of 3.75 km/h. The latter arrives half an hour before the former. The distance is: [RRB NTPC 09/02/2021 (Morning)]

Correct Answer: (c) 7.5 km
Solution:

8. Two women walk from a place at the speeds of 6 km/h and 8 km/h respectively. First woman takes 40 min more than the second one to cover the distance. Find the distance. [RRB NTPC 09/02/2021 (Evening)]

Correct Answer: (b) 16 km
Solution:

9. A cycle takes 13 h to cover a certain distance. He travels the first half of the distance at a speed of 7 km/h and the second half at a speed of 6 km/h. Find the distance. [RRB NTPC 09/02/2021 (Evening)]

Correct Answer: (a) 84 km
Solution:

10. The diameter of a bullock cart wheel is 14/11 m. This wheel makes ten complete revolutions per minute. What will be the speed of the cart in km/h? [RRB NTPC 10/02/2021 (Morning) ]

Correct Answer: (d) 2.4
Solution: