MCQOPTIONS
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| 1. |
In a survey of a city, it was found that 90 percent of the people in the city own a refrigerator and 15 percent own a washing machine. If everybody owns at least one appliance, what percentage owns both ? |
| A. | percent |
| B. | percent |
| C. | 0 percent |
| D. | one of these |
| Answer» B. percent | |