The cost of the paint is Rs 50 per kg. A kilogram paint can cover 20 square feet. How much will it cost to paint outside the cube having 20 feet each side?
A6000
B1000
C20000
D2000
Answer:
A. 6000
Read Explanation:
Total surface area of cube
= 6 x 20 x 20 = 2400sq.ft
Area covered by 1 kg paint = 20 sq.ft
Quantity required for painting = 2400/20
= 120 kg
Hence, total cost = 120 x 50 = Rs. 6000