Question

    21% of 400 − 150 = ? −

    77 Find the value of (?) in the following questions:
    A 20 Correct Answer Incorrect Answer
    B 9 Correct Answer Incorrect Answer
    C 11 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    21% of 400 − 150 = ? − 77 => 84 − 150 = ? – 77 => ? = 77 – 66 => ? = 11

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