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Moving along a circular path, Ansh takes 18 minutes to complete one round and Siddhi takes 12 minutes for the same. If they start from the same point
Question

Moving along a circular path, Ansh takes 18 minutes to complete one round and Siddhi takes 12 minutes for the same. If they start from the same point and at the same time, then after what time they will meet again at the starting point?

A.

6 minutes

B.

1.5 minute

C.

36 minutes

D.

216 minutes

Correct option is C

Given:

Ansh takes 18 minutes to complete one round.

Siddhi takes 12 minutes to complete one round. 

Solution:

they meet at the starting point when time taken by them is LCM of their indiviual time taken.

so LCM of  18 minute and 12 minute = 36 minute

at 36th minute  Ansh complete = 2 round 

at 36th minute Siddhi  complete = 3round    

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