Q.

In a certain town, 25% of the families own a phone and 15% own a car, 65% families own neither a phone nor a car and 1500 families own both a car and a phone. Consider the following three statements:
a) 5% families own both a car and a phone
b) 35% families own either a car or a phone
c) 30,000 families live in the town
Then
 

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a

only (b) and (c) are correct

b

only (a) and (c) are correct

c

all (a), (b) and (c) are correct

d

Only (a) and (b) are correct

answer is D.

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Detailed Solution

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5%1500          100%x           x=1500×1005=30000

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In a certain town, 25% of the families own a phone and 15% own a car, 65% families own neither a phone nor a car and 1500 families own both a car and a phone. Consider the following three statements:a) 5% families own both a car and a phoneb) 35% families own either a car or a phonec) 30,000 families live in the townThen