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    Question

    A rectangular frame of size 120 cm (length) x  140 cm

    (breadth) is to be surrounded by stickers of 2 cm x 2 cm size. How many stickers would be required for such decoration?
    A 280 Correct Answer Incorrect Answer
    B 200 Correct Answer Incorrect Answer
    C 252 Correct Answer Incorrect Answer
    D 264 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Perimeter of the frame = 2(120 + 140) cm = 2 × 260 = 520cm ∴ No. of stickers = 520/2 + 4 (4 extra stickers would be required for four corners) ∴ 260 + 4 = 264

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