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

Total Questions: 50

21. A man walks from P to Q at the rate of 5 km/h and returns from Q to P at 3 km/h. What is his average speed for the whole journey? [RRB JE 22/05/2019 (Evening)]

Correct Answer: (c) 3.75 km/h
Solution:

22. Buses come out of a bus terminus in intervals of 10 minutes at 20 km/h. A man coming from the opposite direction towards the terminus meets the buses at intervals of 8 minutes. What is his speed? [RRB JE 22/05/2019 (Evening)]

Correct Answer: (b) 5 km/h
Solution:

23. A train 120 m long crosses a platform of length 100 m in 10 seconds. What is its speed? [RRB JE 22/05/2019 (Evening) ]

Correct Answer: (b) 79.2 km/h
Solution:

24. Two places P and Q are 400 miles apart. A car starts from P at a speed of 50 mph towards Q. After 75 minutes, another car starts from Q to P at a speed of 40 mph. At what time will the cars meet? [RRB JE 23/05/2019 (Afternoon)]

Correct Answer: (b) 5 hours
Solution:

25. How long does a train 110 m long running at a speed of 72 km/h take to cross a bridge 132 metres in length? [RRB JE 23/05/2019 (Afternoon)]

Correct Answer: (b) 12.1 seconds
Solution:

26. In covering a certain distance, two persons travel at speeds in the ratio 18 : 12. What is the ratio of the time taken by them? [RRB JE 23/05/2019 (Evening) ]

Correct Answer: (b) 2 : 3
Solution:

27. Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. What is the time taken by the slower train to cross the faster train in seconds? [RRB JE 24/05/2019 (Afternoon) ]

Correct Answer: (b) 48 seconds
Solution:

28. Travelling at 3/4 of the normal speed, a person reaches his workplace 15 minutes late. How many minutes does he take usually to reach the workplace? [RRB JE 24/05/2019 (Evening) ]

Correct Answer: (c) 45 minutes
Solution:

29. Around a circular track of 120 m, P and Q start running simultaneously from the same point in the same direction at 20 m/min and 12 m/min. At how many points will they meet? [RRB JE 24/05/2019 (Evening)]

Correct Answer: (b) 2
Solution:

30. Two trains 200 m and 150 m long are running on parallel tracks at the rates of 40 km/h and 45 km/h respectively. In how much time will they cross each other if they are running in the same direction? [RRB JE 25/05/2019 (Morning)]

Correct Answer: (d) 252 seconds
Solution: