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| 1. |
Walls (excluding their roofs and floors) of 5 identical rooms having length, breadth and height 6m, 4 m and 2.5 m respectively are to be painted. Paints are available only in cans of 1 L and one litre of paint can be used for painting 20 square metres. What is the number of cans required for painting? |
| A. | 10 |
| B. | 12 |
| C. | 13 |
| D. | 14 |
| Answer» D. 14 | |