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    Question

    Find the difference between angle and its complement if

    the angle is three-seventh of its complement.
    A 28┬░ Correct Answer Incorrect Answer
    B 32┬░ Correct Answer Incorrect Answer
    C 34┬░ Correct Answer Incorrect Answer
    D 36┬░ Correct Answer Incorrect Answer

    Solution

    Let the angle be 'A'.

    Complement of 'A' = 90┬░ - A

    So, 'A' = (3/7) X (90┬░ - A)

    Or, 7A = 270┬░ - 3A

    Or, 10A = 270┬░

    Or, 'A' = 27┬░

    Complement of 'A' = 90┬░ - 27┬░ = 63┬░

    Required difference = 63┬░ - 27┬░ = 36┬░

    Hence, option d.

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