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Quantitative Aptitude

Successive Division

Three friends...

Question

Three friends A, B and C start running around a circular stadium and complete a single round in 8, 18 and 15 seconds respectively. After how many minutes will they meet again at the starting point for the first time?

A

12

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B

6

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C

8

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D

15

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E

18

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Solution

The correct option is B
6

The required time will be the LCM of 8, 18 and 15 which is 360 sec or 6 minutes.

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