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1. |
Out of 100 families in the neighborhood, 50 have radios, 75 have TVs and 25 have VCR. Only 10 families have all three and each VCR owner also has a TV. If some families have radio only, how many have only TV? |
A. | 30 |
B. | 35 |
C. | 40 |
D. | 45 |
Answer» C. 40 | |