pyq/2014/csat/32
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
(A) 6
(B) 7
(C) 8
(D) 9
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
(A) 6
(B) 7
(C) 8
(D) 9