MCQOPTIONS
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| 1. |
The weights of 4 boxes are 20, 40, 60 and 90 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. | 150 |
| B. | 170 |
| C. | 120 |
| D. | 160 |
| Answer» E. | |