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A room 5m × 8 m is to be carpeted leaving a margin of 10 cm from each wall. If the cost of the carpet is Rs. 18 per sq. meter, the cost of carpeting the room will be :

A room 5m × 8 m is to be carpeted leaving a margin of 10 cm from each wall. If the cost of the carpet is Rs. 18 per sq. meter, the cost of carpeting the room will be : Correct Answer Rs. 673.92

Area of the carpet :
= m2
= (4.8 × 7.8) m2
= 37.44 m2
∴ Cost of carpeting :
= Rs. (37.44 × 18)
= Rs. 673.92

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