MCQOPTIONS
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| 1. |
There are 4 red balls and 5 green balls in a box. To get a pair of balls of the same color, you have to lift at least how many balls with your eyes closed? |
| A. | 2 |
| B. | 7 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |