MCQOPTIONS
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| 1. |
Six bells commence tolling together and toll at intervals of 2,4,6,8,10 and 12 seconds respectively. in 30 m9nutes,how many times do they toll together ? |
| A. | 4 |
| B. | 10 |
| C. | 15 |
| D. | 16 |
| Answer» E. | |