Railways Reasoning Logical Venn Diagram Sample Paper Logical Venn Diagram-I Sample Test Paper-12

  • question_answer
    There are 80 families in a small extension area. 20 percent of these families own a car each. 50 per cent of the remaining families own a motor cycle each. How many families in that extension do not own any vehicle?

    A)  30                   

    B)  32

    C)  23                   

    D)  36

    Correct Answer: B

    Solution :

    [b] \[20%\,o\text{f}\,\text{80=}\frac{20}{100}\times 80=16\] 50% of remaining \[=(80-16)\times \frac{50}{100}=32\] The families which do not own any vehicle. \[=80\left( 32+16 \right)\] \[=8048=32\]


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