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Pihu and Aayu are running on a circular track of diameter 28m. Speed of Pihu is 48 m/s and that of Aayu is 40 m/s. They start from the same point at the same time in the same direction. When will they meet again for the first time?
A
8 sec
B
11 sec
C
13 sec
D
14 sec
Correct Answer:
11 sec
Three athletes X, Y and Z start running around a circular track of length 60m from the same point simultaneously in the same direction at speeds of 3 m/s, 5 m/s, and 9 m/s respectively. After how long will they meet for the first time after they started running?
A
45 sec.
B
15 sec.
C
60 sec.
D
30 sec.
A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 sec, B in 308 sec and C in 198 sec, all starting from the same point. After what time will they again meet at the stating point again ?
A
46 min 12 sec
B
45 min
C
42 min 36 sec
D
26 min 18 sec
Two persons start running simultaneously around a circular track of length 300 m from the same point at speeds of 15 km/hr and 25 km/hr. When will they meet for the first time any where on the track if they are moving in opposite directions ?
A
27 sec
B
31 sec
C
23 sec
D
29 sec
Page and Plant are running on a track AB of length 10 metres. They start running simultaneously from the ends A and B respectively. The moment they reach either of the ends, they turn around and continue running. Page and Plant run with constant speeds of 2m/s and 5m/s respectively. How far from A (in metres) are they, when they meet for the 23
rd
time?
A
0 meters
B
10 meters
C
40 meters
D
$$\frac{{60}}{7}$$ meters
E
None of these
From a point on a circular track 5km long A,B and C started running in the same direction at the same time with speed of $$2\frac{1}{2}$$ km per hour, 3 km per hour and 2 km per hour respectively. Then on the starting point all three will meet again after ?
A
30 hours
B
6 hours
C
10 hours
D
15 hours
Study the following information and answer the questions. Point A is 8m to the west of Point B. Point C is 4m to the south of Point B. Point D is 4m to the east of Point C. Point F is 6m to the north of Point D. Point E is 8m to the west of Point F. Point G is 2m to the south of Point E. How far and in which direction is Point G from Point A?
A
4m to the east
B
8m to the west
C
4m to the west
D
8m to the east
Two persons start running simultaneously around a circular track of length 600 m from the same point at speeds of 25 kmph and 35 kmph. When will they meet for the first time any where on the track ?
A
54 sec
B
36 sec
C
72 sec
D
11 sec
Two bike riders ride in opposite directions around a circular track, starting at the same time from the same point. Biker A rides at a speed of 16 kmph and biker B rides at a speed of 14 kmph. If the track has a diameter of 40 km, after how much time (in hours) will the two bikers meet?
A
6.52
B
8.14
C
4.18
D
5.02
Study the following information and answer the questions. Point A is 8m to the west of Point B. Point C is 4m to the south of Point B. Point D is 4m to the east of Point C. Point F is 6m to the north of Point D. Point E is 8m to the west of Point F. Point G is 2m to the south of Point E. If point G is 4m to the north of Point H, then what is the distance between H and D?
A
11m
B
8m
C
6m
D
4m
Two trains start from the same point simultaneously and in the same direction. The first train travels at 40 km /h, and the speed of the second train is 25% more than the speed of first train. Thirty minutes later, a third train starts from same point and in the same direction. It over takes the second train 90 minutes later than it overtook the first train. What is the speed of the third train?
A
20 km/h
B
40 km/h
C
60 km/h
D
50 km/h
E
80 km/h