Four Square flower beds, each of sides 2 m. are dug on a piece of land 12 m long and 9 m wide. Find the area of the remaining portion of the land. Also, find the cost of levelling the land at the rate of ? 3 per 100 cm
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Area of 1 flower bed =1.2×1.2=1.44m
2
∴ Area of 5 flower beds =5×1.44=7.2m
2
So, the area of the remaining part of land
=20.16−7.2=12.96 m
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