Question
The cost of painting the whole surface area of a cube at the rate of 13 paise per sq.cm. is Rs. 343.98 . Then the volume of the cube is :
Answer: Option D
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Surface area = `(34398/13)` = 2646`cm^2`
`:.` `6a^2 = 2646 `
`rArr a^2 = 441 rArr a = 21`
so, volume = (21 x 21 x 21 )`cm^3` = 9261 `cm^3`
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