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    Question

    The total cost of paving a courtyard at Rs 4.50 per

    sq.cm is Rs 1620. If the length of the courtyard is 18 cm, find the breadth.
    A 10 cm Correct Answer Incorrect Answer
    B 18.5 cm Correct Answer Incorrect Answer
    C 12.8 cm Correct Answer Incorrect Answer
    D 20 cm Correct Answer Incorrect Answer

    Solution

    ATQ, Area of the courtyard = 1620 / 4.5 = 360 cm² 18 × breadth = 360 breadth = 20 cm

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