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1. |
A bell rings every 5 minutes. A second bell rings every 6 minutes and if two bells ring at 8 o'clock in the morning, then the next time they will ring together at |
A. | 8.10 o'clock |
B. | 8.15 o'clock |
C. | 8.20 o'clock |
D. | 8.30 o'clock |
Answer» E. | |