MCQOPTIONS
Saved Bookmarks
| 1. |
Five bells commence tolling together and toll at intervals of 3,6,9,12 and 15 seconds respectively. In 30 minutes, how many times do they toll together? |
| A. | 4 |
| B. | 10 |
| C. | 15 |
| D. | 16 |
| Answer» E. | |