Time, Speed and Distance (Part-6)

Total Questions: 50

21. R jogs at twice the speed of walking and runs at twice the speed of jogging. From his home to office, he covers half of the distance by walking and the rest by jogging. From his office to home, he covers half the distance jogging and the rest by running. What is his average speed (in km/h) in a complete round from his home to office and back home if the distance between his office and home is 10 km and he walks at the speed of 5 km/h? [SSC CGL 05/12/2022 (1st Shift)]

Correct Answer: (d) 80/9
Solution:

22. Which of the following is NOT a correct statement? [SSC CGL 05/12/2022 (3rd Shift)]

Correct Answer: (d) The speed of 99 km/h is less than the speed of 24 m/s.
Solution:

23. Two tourist buses start from the same point and move along two roads at right angles at speeds of 48 km/h and 36 km/h, respectively. The distance between the buses after 15 seconds is _______ . [SSC CGL 05/12/2022 (4th Shift)]

Correct Answer: (c) 250m
Solution:

24. From point H, at 6:30 pm, a train starts moving towards point K at the speed of 90 km/hr. Another train starts moving from point Kat 7:30 p.m. towards point H at the speed of 72 km/hr. Both the train meet at 11:30 p.m. at point J. What is the ratio of the distance HJ and KJ? [SSC CGL 06/12/2022 (4th Shift)]

Correct Answer: (a) 25:16
Solution:

25. A is chasing B in the same interval of time. A jumps 8 times, while B jumps 6 times. But the distance covered by A in 7 jumps is the same as that of B in 5 jumps. The ratio between the speeds of A and B is ________ . [SSC CGL 08/12/2022 (1st Shift)]

Correct Answer: (c) 20 : 21
Solution:

26. Menu and Daya travel from point A to B, a distance of 105 km, at speeds of 10 km/h and 25 km/h, respectively. Daya reaches point B first and returns immediately and meets Menu at point C. Find the distance from point A to point C. [SSC CGL 09/12/2022 (2nd Shift)]

Correct Answer: (b) 60km
Solution:

27. A thief running at speed of 'x' km/h is chased by a policeman running at a speed of 10 km/h. If the thief is ahead by 100 metres, the policeman catches the thief after 3 minutes. At what speed is the thief running ('x' being the unknown speed)? [SSC CGL 09/12/2022 (3rd Shift)]

Correct Answer: (b) 8 km/h
Solution:

28. Some students went on a field trip. At a speed of 6 km/h, they travelled by bikes for 2 hours; then at a speed of 2 km/h, they walked for another hour; then they took rest for an hour and had lunch for half an hour; then at a speed of 1 m/s, they walked for an hour to visit a garden; and finally at a speed 4 km/h, they returned home in 3 hours. Their average speed, in km/h, (rounded off to two places of decimal) is: [SSC CGL 12/12/2022 (3rd Shift)]

Correct Answer: (a) 3.48
Solution:

Total distance travelled by students

29. Ram starts from point A at 8 a.m. and reaches point B at 2 p.m. on the same day. On the same day, Raju starts from point B at 8 a.m. and reaches point A at 6 p.m. on the same day. Both points A and B are separated by only a straight line track. At what time they both meet? [SSC CGL 12/12/2022 (3rd Shift)]

Correct Answer: (a) 11 : 45 a.m.
Solution:

30. Train A running at 81 km/h takes 72 sec to overtake train B, when both the trains are running in the same direction, but it takes 36 sec to cross each other if the trains are running in the opposite direction. If the length of train B is 600 metres, then find the length of train A. (in metres) [SSC CGL 13/12/2022 (3rd Shift)]

Correct Answer: (b) 480
Solution: