An order was placed for supply of carpet of breadth 3 metres. The length of carpet was 1.44 times of breadth. Subsequently the breadth and length were increased by 25 and 40 percent respectively. At the rate of ₹ 45 per square metre, what would be the increase in the cost of the carpet?
Answer : Option C
Explanation : Area of the carpet = 3 × 3 1.44 m2
Total increase in area = 25 + 40 + = 75%
Increase in cost = 3 × 3 × 1.44 × 75 × = ₹ 437.4
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