Subject

    Quantitative Aptitude

    Topic

    Average

    If the average of 7, 13, p and q is the average of (p+11) and (q-9)?

    ক)
    50
    খ)
    25
    গ)
    21
    ঘ)
    14

    Explanation

    Average, (7+13+p+q) /4 = 17 Or, 20+p+q = 68 or, p + q =48 Again, average = (p+11)+(q-9)/2 = (p+q+2)/2 = (48+2)/2 = 25

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