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    Question

    In a rectangular floor of length and breadth of 16

    metres and 7 metres, respectively, square tiles each of 4 metre edge length are to be laid. If the cost of each tile is Rs. 225, then find the total cost of the tiles to be laid in the room.
    A Rs. 1575 Correct Answer Incorrect Answer
    B Rs. 1475 Correct Answer Incorrect Answer
    C Rs. 1505 Correct Answer Incorrect Answer
    D Rs. 1375 Correct Answer Incorrect Answer

    Solution

    Area of the rectangular room = 16 × 7 = 112 m2 Area of each tile = 4 × 4 = 16 m2 So, number of tiles to be laid in the room = (112/16) = 7 So, total cost of all the tiles laid in the room = 7 × 225 = Rs. 1575

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