The cost of painting the inner CSA of a cylinder of height 20 m at ₹ 40 per sq.m is ₹ 8800, then CSA is .

220 m

^{2}

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210 m

^{2}

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230 m

^{2}

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Solution

The correct option is A 220 m $^{2}$
Cost of painting the inner CSA
= ₹ 8800
Cost of painting per square metre
= ₹ 40
Hence, inner CSA $= \frac{8800}{40} = 220 m^{2}$

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The cost of painting the inner CSA of a cylinder of height 20 m at ₹ 40 per sq.m is ₹ 8800, then CSA is .

The correct option is A 220 m2Cost of painting the inner CSA = ₹ 8800 Cost of painting per square metre = ₹ 40 Hence, inner CSA =880040=220 m2

The correct option is A 220 m $^{2}$
Cost of painting the inner CSA
= ₹ 8800
Cost of painting per square metre
= ₹ 40
Hence, inner CSA $= \frac{8800}{40} = 220 m^{2}$