CIRCULAR MOTION MCQ SET 1
1. A โ 8m/s ; B โ 5 m/s; track length โ 600m
If they start simultaneously from the same point in the same direction .
After how many seconds they will meet for the first time?
(a) 200 sec.
(b) 150 sec.
(c) 180 sec.
(d) 300 sec.
Answer: A
2. A โ 8m/s ; B โ 5 m/s; track length โ 600m
If they start simultaneously from the same point in the same direction .
At how many points they will meet ?
(a) 5 points
(b) 2ย points
(c) 3ย points.
(d) 4 points
Answer: C
3. A โ 5m/s ; B โ 2 m/s; track length โ 420m
If they start simultaneously from the same point in the same direction .
At how many points on the track they will meet?
(a) 5 points
(b) 7ย points
(c) 3ย points
(d) 4ย points
Answer: B
4. In a circular race of 2500m , Reeta and Geeta start running in the same direction from the same point and at the same time with speeds of 36 km/h and 54 km/h , respectively . After how much time will they meet for the first time on the track?
(a) 480 seconds
(b) 500 seconds
(c) 49 seconds
(d) 510 seconds
Answer: B
5. Malay walks aroung a circular field at the rate of 7 rounds per hour , while Neha runs around it at the rate of 11 rounds per hour . They start in the same direction from the same point at p.m. . They shall first cross each other at:
(a) 03:00 p.m
(b) 02:50 p.m
(c) 03:05 p.m
(d) 03:00 a.m
Answer: A
6.Three persons P , Q , R run along a circular track at speeds of 3 km/h , 4 km/h , 6km/h , respectively . If the length of the track is 36 km , then after how much time will they meet again at the starting point?
(a) 38 hours
(b) 36 hours
(c) 24 hours
(d) 28 hours
Answer: B
7. Four runners started running simultaneously from a point on a circular track . They took 400 seconds , 600 seconds , 720 seconds and 900 seconds to complete one round . After how much time did they meet at the starting point for the first time since the race started?
(a) 4200 Sec
(b) 2400 Sec
(c) 3600 Sec
(d) 1800Sec
ย Answer: C
8. A and B run a 12 km race on a circular track of length 1200 m . They complete one round in 300 seconds and 400 seconds , respectively . After how much time from start will the faster person meet the slower person for the last time?
(a) 2400 Sec
(b) 8400 Sec
(c) 9600 Sec
(d) 10800 Sec
Answer: A
9. Joy and Kat run around a circular track of length 1100 m in opposite directions with initial speed of 6m/sec and 4m/sec , respectively . Starting from the same point whenever they meet , Joy’s speed halves and Kat’s speed doubles . After how much time from the beginning will they meet for the second time?
(a) 220 sec
(b) 210 sec
(c) 190 sec
(d) 200 sec
Answer: B
10. Anjali and Babita are running on a circular track in opposite direction from the same time at same point of speeds of 8 m/sec and 6 m/sec , respectively . If the length of the circular track is 960m , how many times distinct points they will meet?
(a) 7 times
(b) 6 times
(c) 12 times
(d) 14 times
Answer: A
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