Question

find the volume of a cubical box if the cost of painting the outer surface of Rs. 1440 at the rate of Rs. 15 per sq. m.​

Answer 1

Side of given cube = a

Surface Area = 6a

Total cost of Paint = 1440

Rate = 15 per m²

Size of the side of cube is given as

6a = 1440 / 15

a = 16 m

Volume = a³ = 16 × 16 × 16 = 4096 m³

Answer 2

Answer:

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