Question

Three bells toll at intervals of 9. 12. 15 minutes. If they start tolling together, after what time
will they next toll together?​

Answer 1

Answer:

3 hours

Step-by-step explanation:

LCM (9, 12,15) = 3×3×2×2×5 = 180

convert it 180 minutes to hours

180/60=3

∴ 3 hours