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    Question

    For three distinct numbers a, b and c, if a = 250, (a +

    b) = 550 and (c тАУ b) = 50, find the average of the three.
    A 300 Correct Answer Incorrect Answer
    B 280 Correct Answer Incorrect Answer
    C 260 Correct Answer Incorrect Answer
    D 342 Correct Answer Incorrect Answer

    Solution

    ATQ, Given, a = 250, (a + b) = 550 and (c тАУ b) = 50 Therefore, b = 550 тАУ 250 = 300 And, c = 300 + 50 = 350 Required average = (250 + 300 + 350)/3 = 300

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