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    Question

    If 24 33 x 42 6 51 Then, 20% of x + 40% of

    x=? 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 :
    A 33 Correct Answer Incorrect Answer
    B 28 Correct Answer Incorrect Answer
    C 9 Correct Answer Incorrect Answer
    D 16 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    24 + 9 = 33 33 - 18 = 15 15 + 27 = 42 42 - 36 = 6 6 + 45 = 51 Hence, x = 15 Hence, 15×20% + 15×40% = 3 + 6 = 9

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