MCQOPTIONS
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| 1. |
Six bells commence tolling together and toll at the intervals of 2,4,6,8,10,12 seconds resp. In 60 minutes how many times they will toll together. |
| A. | 17 |
| B. | 21 |
| C. | 24 |
| D. | 31 |
| Answer» E. | |