Subject

    Bank Exam

    Topic

    Joint Recruitment Test for 5 Banks - (Cash) - 25.03.2022

    In new jersey 90% of the population own a car ,15% own a motorcycle ,and everybody owns one or the other or both .What is the percentage of motorcycle owners who own cars?

    ক)
    6(4/7)%
    খ)
    15(2/3)%
    গ)
    33(1/3)%
    ঘ)
    45(1/2)%

    Explanation

    আমরা জানি , Total =n(A)+n(B)-Both +none বা,100=90+15-Both+0 বা, 100=105-Both বা,Both =105 -100 Both =5 অতএব ,নির্ণেয় শতকরা =5/15 × 100% =33 (1/3)%

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