Home » Aptitude » Problems on H.C.F and L.C.M

Six bells commence tolling together and toll intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together?

Correct Answer: 16

Explanation:

L . C . M of 2, 4, 6, 8, 10 and 12 is 120
So the bells will toll together after 120 second i,e 2 minutes. In 30 min. they will together in (30/2) + 1 times, i.e 16 times.


← Previous Question Next Question→

More Questions from Problems on H.C.F and L.C.M

Discussion & Comments

No comments yet. Be the first to comment!
Join Discussion