Five persons fire bullets at a target at an interval of 6, 7, 8, 9 and 12 seconds respectively. The number of times th

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Q 2442156033.     Five persons fire bullets at a target at an interval of 6,
7, 8, 9 and 12 seconds respectively. The number of times
they would fire the bullets together at the target in an
hour is
IAS 2014 Prelims
A

6

B

7

C

8

D

9

HINT


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

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