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    Question

    Consider a rectangle with length 25 cm and breadth 15 cm.

    If the length is increased by 10% and the breadth is decreased by 40%, determine the perimeter of the modified rectangle.
    A 60 cm Correct Answer Incorrect Answer
    B 25 cm Correct Answer Incorrect Answer
    C 73 cm Correct Answer Incorrect Answer
    D 79 cm Correct Answer Incorrect Answer

    Solution

    ATQ,

    Length of the new rectangle = 1.10 × 25 = 27.5 cm

    Breadth of the new rectangle = 0.60 × 15 = 9 cm

    Required perimeter = 2 × (27.5 + 9) = 73 cm

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