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From a point on circular track 5 km long A, B and C started running in the same direction at the same time with speed of `2(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

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The correct Answer is:
C
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