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    Question

    In each of the following questions a number series is given.One term of the series is denoted by X . You have to calculate the value of X andby using the value of X,you haveto replace the question mark (?) in the following questions :

    If 7 43 x 1311 5247 15739 Then, x - x/2 + 2 =

    ?
    A 122.5 Correct Answer Incorrect Answer
    B 21.25 Correct Answer Incorrect Answer
    C 181.25 Correct Answer Incorrect Answer
    D 133.5 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    7 × 7 - 6 = 43 43 × 6 + 5 = 263 263 × 5 - 4 = 1311 1311 × 4 + 3 = 5247 5247 × 3 - 2 = 15739 Hence, x = 263 Hence, 263 - 263/2 + 2 = 263 - 131.5 + 2 = 263 - 129.5 = 133.5

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