New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    The angle of elevation of the top of a tower at a point

    on level ground is 45°. When moved 20 m towards the tower, the angle of elevation becomes 60°. What is the height of the tower?
    A 10(3–√−1)10(3−1) m Correct Answer Incorrect Answer
    B 10(3–√+1)10(3+1) m Correct Answer Incorrect Answer
    C 10(3−3–√)10(3−3) m Correct Answer Incorrect Answer
    D 10(3+3–√)10(3+3) m Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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