MCQOPTIONS
Saved Bookmarks
| 1. |
58 lamps are to be connected to a single electric outlet by using an extension board each of which has four outlets. The number of extension boards needed to connect all the light is |
| A. | 29 |
| B. | 28 |
| C. | 20 |
| D. | 19 |
| Answer» E. | |