A rectangular plot is 40 m long and 16 m broad. A road of uniform width of 2 m surrounds the plot inside it. Find the cost of paving the road with bricks at 15 rs per square metre and also find the cost of covering the remaining part of the plot with grass at 9 rs per square metre?
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An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, typically around 100 picometers across
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