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    Question

    54% of 250 = 6 × 21 +

    √? What will come in the place of question mark (?) in the given expression?
    A 61 Correct Answer Incorrect Answer
    B 71 Correct Answer Incorrect Answer
    C 81 Correct Answer Incorrect Answer
    D 91 Correct Answer Incorrect Answer
    E 101 Correct Answer Incorrect Answer

    Solution

    54% of 250 = 6 × 21 + √? => 135 = 126 + √? => √? = 135 – 126 => √? = 9 => ? = 81

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