If the speed of A, B, and C starts walking on a circular ground with 36 km/h, 54km/h, and 18 km/h respectively. If the length of the circular ground is 1200 m then find after how much time they meet at the starting point again.

If the speed of A, B, and C starts walking on a circular ground with 3

1.	If the speed of A, B, and C starts walking on a circular ground with 36 km/h, 54km/h, and 18 km/h respectively. If the length of the circular ground is 1200 m then find after how much time they meet at the starting point again.
A.	120 seconds
B.	240 seconds
C.	180 seconds
D.	360 seconds
Answer» C. 180 seconds

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If the speed of A, B, and C starts walking on a circular ground with 36 km/h, 54km/h, and 18 km/h respectively. If the length of the circular ground is 1200 m then find after how much time they meet at the starting point again.

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