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 Choose the most appropriate option
A) 8500 cm 3	B) 9000 cm 3	C) 9250 cm 3	D) 9261 cm 3	E) none

Rationale: solution surface area = ( 34398 / 13 ) ‹ = › 2646 cm 3 ‹ = › 6 a 2 = 2646 ‹ = › a 2 = 441 ‹ = › a = 21 . so , volume = ( 21 x 21 x 21 ) cm 3 = 9261 cm 3 . answer d
Answer: D