The cost of the paint is rs.30 per kg. if 1kg of paint covers 18sq.ft, how much will it cost to paint outside of a cube having 6 feet each side	Choose the correct answer:
A) Rs.962
B) Rs.672
C) Rs.540
D) Rs.876
E) None of these
Explanation:   surface area of a cube= 6 x 6^2 = 216 sq.ft   quantity of paint required=(216/18)= 
<gadget id="calculator">(216/18)</gadget>
<output>12</output>
12kg   cost of painting= 30 x 18 = Rs.540   Answer: Rs.540
<result>C</result>
The cost of the paint is rs.30 per kg. if 1kg of paint covers 18sq.ft, how much will it cost to paint outside of a cube having 6 feet each side