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

Total Questions: 55

31. The ratio of time taken by Caro and David to cover a distance of 1000 km is 13 : 21. Find the ratio of their speeds. [RPF S.I. 19/12/2018 (Evening) ]

Correct Answer: (a) 21:13
Solution:

32. A man travels along the sides of an equilateral triangular field at the speeds of 36 km/h, 30 km/h and 45 km/h. Find his average speed. [RPF S.I. 24/12/2018 (Morning) ]

Correct Answer: (b) 36 km/h
Solution:

33. A train takes 61 seconds to cross a bridge 408 m long. If the same train takes 27 seconds to cross a sign board, then find the length of the train? [RPF S.I. 24/12/2018 (Morning) ]

Correct Answer: (d) 324 m
Solution:

34. A person travels from the hostel to the college with a speed of 15 kmph from the bicycle and reaches a 4.5 minute delay. If he runs a bike with a speed of 20 kmph, then it reaches 4.5 minutes early. Describe the distance between hostel and college. (In km) [RPF S.I. 05/01/2019 (Morning) ]

Correct Answer: (c) 9
Solution:

35. A train takes 57 seconds to cross the 204 m long bridge. If the same train takes 23 seconds to cross a signal board, tell the length of the train. (In meters) [RPF S.I. 05/01/2019 (Morning) ]

Correct Answer: (a) 138
Solution:

36. Sheila walks at the speed 20/21 of her usual speed and determines a clear distance in 6 minutes more than the time it takes in normal speed. Calculate the normal time it takes in determining a certain distance. [RPF S.I. 05/01/2019 (Morning)]

Correct Answer: (b) 120
Solution:

37. A person goes to the college with a speed of 45 km/hr from the hostel and gets 5 minutes late. If he runs a bike at 60 kmph then reaches 4 minutes early. Find the distance between the hostel and the college. [RPF S.I. 06/01/2019 (Morning)]

Correct Answer: (b) 27 km
Solution:

38. A man travels along the sides of an equilateral triangular field at the speeds of 12 km/h, 24 km/h and 20 km/h. Calculate his average speed. [RPF S.I. 06/01/2019 (Afternoon) ]

Correct Answer: (b) 13.33 km/h
Solution:

39. Sheila walking at (15/16) of her usual speed can cover a certain distance in 6 minutes more than the time taken by her at usual speed. Calculate the usual time taken by him to cover the certain distance? [RPF S.I. 06/01/2019 (Afternoon) ]

Correct Answer: (d) 90 minutes
Solution:

40. A train crosses a 238 m long platform in 51 seconds. If the same train takes 17 seconds to cross a sign board, find the length (In meters) of the train. [RPF S.I. 06/01/2019 (Afternoon) ]

Correct Answer: (a) 119
Solution: