A room is 9 m long and 6 m wide. A carpet 75 cm wide is to be laid on its floor. What is the cost of the carpet at Rs. 80 per metre length?
Correct answer B. Rs. 5,760
Explanation
Floor area = 9 x 6 = 54 sq m. Carpet length = 54 / 0.75 = 72 m. Cost = 72 x 80 = Rs. 5,760.
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