Harish, Dilip and Asha start running around a circular stadium and complete one round in `27 s, 9 s` and `36 s` respec

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Q 1637878782.     Harish, Dilip and Asha start running around a circular
stadium and complete one round in `27 s, 9 s` and `36 s`
respectively. In how much time will they meet again at the
starting point?
IBPS-CLERK 2011 Mains 11/12/2011
A

`1 min 48 s`

B

`2 min 36 s`

C

`3 min 11 s`

D

`2 min 25 s`

E

None of these

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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