Question

four Bells toll at intervals of 8, 9 ,12 and 15 minutes respectively. If they toll together at 3:00 p.m. when will they toll together next??​

Answer 1

Answer:

9:00 pm

Step-by-step explanation:

LCM (8,9,12,15) = 360

The 4 bells will toll again at 9:00 pm

Answer 2

Answer:

9:00 p.m.

Explanation:

LCM of 8, 9, 12 and 15 = 360

360 minutes = 6 hours

3 hours + 6 hours = 9 hours

Hence, they will toll together next at 9:00 p.m.