Mathematics · Mensuration

The radius of a solid metal spherical ball is 12 cm. If its outer surface is to be painted at the rate of Rs. 7 per cm2, what will be the approximate total cost of painting? (Take π = 227)

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1₹13,168
2₹10,684
3₹11,664
4₹12,672✓

Correct answer

₹12,672

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The radius of a solid metal spherical ball is 12 cm. If its outer surface is to be painted at the rate of Rs. 7 per cm2, what will be the approximate total cost of painting? (Take π = 227)

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The radius of a solid metal spherical ball is 12 cm. If its outer surface is to be painted at the rate of Rs. 7 per cm2, what will be the approximate total cost of painting? (Take π = 227)

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