Time, Speed and Distance (Part-3)

Total Questions: 50

21. S drives his car and covers 37 km and 500 m in 90 minutes. What is his average speed (in km/h)? [SSC CPO 28/06/2024 (1st Shift)]

Correct Answer: (a) 25
Solution:

22. A person covers 11 km with a speed of 7 km/h, 25 km with a speed of 10 km/h and 30 km with a speed of 20 km/h. What is the average speed of the person? [SSC CPO 28/06/2024 (2nd Shift)]

Correct Answer: (b) 11¹¹⁄₁₃ km/h
Solution:

23. A man travels 1200 km by train at 80 km/h, 1600 km by ship at 40 km/h, 1000 km by plane at 400 km/h, and 200 km by car at 50 km/h. What is the average speed for the entire distance? (rounded off to 2 decimal places) [SSC CPO 28/06/2024 (2nd Shift)]

Correct Answer: (d) 65.04 km/h
Solution:

24. Two towns P and Q are 275 km apart. A motorcycle rider starts from P towards Q at 10:00 a.m. at the speed of 25 km/h. Another rider starts from Q towards P at 12 noon on the same day at the speed of 20 km/h. At what time will they cross each other? [SSC CPO 28/06/2024 (2nd Shift)]

Correct Answer: (b) 5:00 p.m.
Solution:

25. A train covers a distance of 850 metres in 45 seconds. Travelling at the same speed, how many kilometres will the train cover in an hour? [SSC CPO 28/06/2024 (2nd Shift)]

Correct Answer: (c) 68
Solution:

26. Ashish covers 72 km at a speed of 45 km/h by bike, 28 km at a speed of 4 km/h by bicycle, and another 160 km at a speed of 20 km/h by car. Find his average speed (in km/h) for the whole journey. (Rounded off to two decimal places) [SSC CPO 28/06/2024 (3rd Shift)]

Correct Answer: (a) 15.66
Solution:

27. Two trains are moving in the same direction at 60 km/h and 42 km/h. The faster train crosses a man in the slower train in 36 seconds. Find the length of the faster train. [SSC CPO 28/06/2024 (3rd Shift)]

Correct Answer: (b) 180 m
Solution:

28. In a 100-km journey, the average speed of S is 40 km/h. He covers the first 60 km in 40 minutes and the next 20 km in 50 minutes. What is his speed in the last 20 km (in km/h)? [SSC CPO 29/06/2024 (1st Shift)]

Correct Answer: (a) 20
Solution:

29. A 320 m long train completely crosses a 240 m long train, coming from the opposite direction, in y seconds. If the first train is travelling at the speed of 44 km/h and the second train is travelling at 56.8 km/h, then what is the value of y ? [SSC CPO 29/06/2024 (1st Shift)]

Correct Answer: (c) 20
Solution:

30. The distance between two stations A and B is 800 km. A train covers the journey from A to B at a speed of 90 km/h and returns to A with a uniform speed of 65 km/h. Find the average speed of the train during the whole journey (in km/h)? [SSC CPO 29/06/2024 (2nd Shift)]

Correct Answer: (d) 75.48
Solution: