Question

Three bells commence telling together. They toll at intervals of 6 s, 8 s and 10 s respectively. Calculate the number of times they toll together in the next 30 m

please explain the answer in detail ​

Answer 1

Answer:

Step-by-Aptitude :: Problems on H.C.F and L.C.M - Discussion

In 30 minutes, how many times do they toll together ? Explanation: L.C.M. of 2, 4, 6, 8, 10, 12 is 120. So, the bells will toll together after every 120 seconds(2 minutes).:

Answer 2

Answer:

15

Step-by-step explanation:

LCM of 6, 8 and 10 = 120

The bells will toll together every 120 s or every 2 minutes.

The number of times they will toll together in 30 minutes = 30/2 = 15 times