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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 and by using the value of X , you have to replace the question mark (?) in the following questions :

    If 18 x 10 42 -22, Then, 50% of 2x - 25% of x =

    ?
    A 26 Correct Answer Incorrect Answer
    B 32 Correct Answer Incorrect Answer
    C 42 Correct Answer Incorrect Answer
    D 19.5 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    18 + 8 = 26 26 – 16 = 10 10 + 32 = 42 42 – 64 = - 22 Hence, x = 26 Hence, 50/100 × 2 × 26 - 25/100 × 26 = 26 – 13/2 = 19.5

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