Time, Speed and Distance (Part-4)

Total Questions: 50

11. A person covers 1/4 of his journey at the speed of 25 km/h, 1/2 of the journey at 40km/h and the remaining at the speed of 50 km/h. Find his average speed per hour for the whole journey (in km/h). [SSC CHSL Tier II (02/11/2023)]

Correct Answer: (b) 36 ⁴⁄₁₁
Solution:

12. Vipin travels one-third of the distance of a journey at a speed of 30 km/h and the remaining distance at a speed of 40 km/h. If he took a total of 12 hours to complete the journey, what was the total distance (in km) of the journey? [SSC CGL Tier II (26/10/2023)]

Correct Answer: (a) 432
Solution:

13. A tourist van travels the distance of 35 km from Dehradun to Mussoorie at an average speed of 36 km/h and returns at 60 km/h. What is the approximate average speed (in km/h) of the tourist van for the entire journey? [SSC CPO 03/10/2023 (1st Shift)]

Correct Answer: (a) 45
Solution:

14. An inspector is 288 metres behind a thief. The inspector runs 42 metres and the thief runs 30 metres in a minute. In how much time will the inspector catch the thief? [SSC CPO 04/10/2023 (1st Shift)]

Correct Answer: (b) 24 minutes
Solution:

Time taken to catch the thief

15. A car, during its entire journey of 5 hours, travels the first 45 minutes at a certain speed, the next 75 minutes at a speed of 85 km/h, and the last 3 hours at a speed of 70 km/h. During its entire journey, the average speed of the car is found to be 73 km/h. What is the speed (in km/h) of the car during the first 45 minutes? [SSC CPO 04/10/2023 (2nd Shift)]

Correct Answer: (b) 65
Solution:

16. Traveling a distance of 1000 km, a train slowed down due to repairs of the tracks. Its average speed for the trip reduced by 75 km/h and the time of travel increased by 3 hours. The original duration of the travel is: [SSC CPO 04/10/2023 (2nd Shift)]

Correct Answer: (a) 5 hours
Solution:

17. The time taken to travel the same distance by three cars is in the ratio of 12 : 15 : 10. What is the ratio of the speeds of the three cars ? [SSC CPO 04/10/2023 (2nd Shift)]

Correct Answer: (b) 5 : 4 : 6
Solution:

18. Jimmy has to cover a distance of 88 km in 16 hours. If she covers half of the journey in 3/4 time, then what should be her speed to cover the remaining distance in the time left? [SSC CPO 04/10/2023 (3rd Shift)]

Correct Answer: (d) 11 km/h
Solution:

19. A vehicle is going at one-fourth of its usual speed and it takes an extra 45 minutes to reach its destination. Its usual time to cover the same distance is: [SSC CPO 04/10/2023 (3rd Shift)]

Correct Answer: (b) 15 minutes
Solution:

20. At 7:30P.M. the owner of a Cycle noticed that a thief is taking away his cycle from his home and is cycling in a particular direction at an estimated speed of 10 km per hour. He informed the police about the theft and the policeman started from the same point, half an hour later than the time of the theft but with a speed of 12 km per hour. At what time will Policeman catch the thief? [SSC CPO 05/10/2023 (1st Shift)]

Correct Answer: (b) 10:30 P.M.
Solution: