Question

    The breadth ‘b’ of a room is twice its height and

    half of its length. Find the length of the longest diagonal of the room
    A √ 21b/2 Correct Answer Incorrect Answer
    B √ 21b/4 Correct Answer Incorrect Answer
    C √ 14b/2 Correct Answer Incorrect Answer
    D √ 7b/7 Correct Answer Incorrect Answer

    Solution

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