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    Question

    There are three numbers a, b and c such that a = 160,

    (a + b) = 460 and (c – b) = 80. Find their average.
    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 = 160, (a + b) = 460 and (c – b) = 80 Therefore, b = 460 – 160 = 300 And, c = 300 + 80 = 380 Required average = (160 + 300 + 380)/3 = 280

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