Subject

    Bank Exam

    Topic

    City Bank Ltd. - Management Trainee Officer - 2018

    If the average of 7, 13, P and q is 17, what is the average of (p + 11) and (q - 9) ?

    ক)
    50
    খ)
    25
    গ)
    21
    ঘ)
    14
    ঙ)
    None of these

    Explanation

    Solution: প্রশ্নে বলা হচ্ছে যদি 7, 13, P এবং q এর গড় 17 হয় তবে (p + 11) এবং (q - 9) এর Average কত হবে ? প্রশ্নমতে, 7+13+p+q4=17\frac{{7 + 13 + p + q}}{4} = 17 => 20 + p + q = 68 p + q = 48 (p + 11) (q - 9) এর Average = (p+11)+(q−9)2=p+11+q−92=p+q+22=48+22=25\frac{{(p + 11) + (q - 9)}}{2} = \frac{{p + 11 + q - 9}}{2} = \frac{{p + q + 2}}{2} = \frac{{48 + 2}}{2} = 25

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