A door is 2.6 m by 1.1 m. Find the cost of painting it from bothsides – InterviewSolution

1.	A door is 2.6 m by 1.1 m. Find the cost of painting it from bothsides at the rate of Rs 20 per sq m.
Answer» area of a rectangular door= 2.61.12.8m^2cost of painting for 1 m^2= 20rupeeso for 2.8m^22.820= 56 rupee

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