MCQOPTIONS
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| 1. |
The weights of 4 boxes are 30, 20, 60 and 70 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once? |
| A. | 180 |
| B. | 170 |
| C. | 120 |
| D. | 150 |
| Answer» C. 120 | |