Subject

    Quantitative Aptitude

    Topic

    Ratio

    In a certain population, there are three times as many people aged 21 or under as there are people over The ratio of those 21 or under to the total population is:

    ক)
    3 to 4
    খ)
    1 to 3
    গ)
    1 to 4
    ঘ)
    2 to 3

    Explanation

    let's say that there is 1 person over twenty-one. If there are 3 times as many people aged twenty-one or under as there are people over twenty-one, then there must be 3 people aged twenty-one or under. This means the TOTAL population = 1 + 3 = 4 The ratio of those twenty-one or under to the total population = 3 : 4

    Find Tutors

    View all Tutors