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1. |
In the following diagram, the triangle represent 'People who prefer strawberry icecream', the circle represents 'People who prefer vanilla icecream' and the rectangle represents 'People who prefer chocolate ice cream'.How many people prefer both, strawberry and vanilla ice cream, but do not prefer chocolate ice cream? |
A. | 7 |
B. | 20 |
C. | 10 |
D. | 15 |
Answer» B. 20 | |