11. |
In a town 25% families own a phone and 15% own a car, 65% families own neither a phone nor a car. 2000 families own both a phone and a car. Consider the following statement in this regard.
(i) 10% families own both a car and a phone. (ii) 35% families own either a car or a phone. (iii) 40000 families live in the town. Which of the above statement are correct? |
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13. |
In a class -X of 30 students, 24 passed in first class; in another class -Y of 35 students, 28 passed in first class. In which class was the percentage of students first class more? |
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