Subject

    Bank Exam

    Topic

    Dhaka Bank Ltd. 2016 Trainee Officer (Cash)

    The total age of A,B and C is 90 Years.Ten years ago the ratio of their ages was 1:2: What is the present age of B?

    ক)
    40
    খ)
    30
    গ)
    20
    ঘ)
    18

    Explanation

    Let their ages 10 years ago is x, 2x and 3x years.  10 + 2x + 10 + 3x + 10 = 90 hence x= 10  B’s present age = (2x + 10) =30 years

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