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    Question

    There are three distinct numbers ‘p’, ‘q’ and

    ‘r’. If, p = 150, (p + q) = 450 and (r – q) = 60, then determine the average of p, q and r. 
    A 200 Correct Answer Incorrect Answer
    B 270 Correct Answer Incorrect Answer
    C 250 Correct Answer Incorrect Answer
    D 380 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Given,

    p = 150, (p + q) = 450 and (r – q) = 60 Therefore, q = 450 – 150 = 300 And, r = 300 + 60 = 360 Required average = (150 + 300 + 360)/3 = 270

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