Question

    The area of the floor of a cubical room is 49m². The

    length of the longest rod that can be kept in the room is
    A 4 √ 3m Correct Answer Incorrect Answer
    B 7 √ 3m Correct Answer Incorrect Answer
    C 6 √ 3m Correct Answer Incorrect Answer
    D 2 √ 3m Correct Answer Incorrect Answer

    Solution

    Area of the floor of a cubical room = a ² =49 A = 7m Length of the longest rod that can be kept = a√ 3 = 7 √ 3 m

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