Question

Plastic paint in asian paint container is sufficient to paint an area equal 90 3.75 and how many block of dimension 22.5 cm and 10 cm 7.5 cm can be printed out of the country

Answer 1

Total surface area of one block = 2(lb + bh + lh) = [2(22.5 ×10 + 10 × 7.5 + 22.5 × 7.5)] cm = 2(225 + 75 + 168.75) cm⊃2; = (2 × 468.75) cm⊃2; = 937.5 cm⊃2; Let n blocks can be painted out by the paint of the container. Area of n bricks = (n ×937.5) cm⊃2; = 937.5n cm⊃2; Area that can be painted by the paint of the container = 93.75 m2= 937500 cm⊃2; 937500 = 937.5n n = 1000 Therefore, 100 blocks can be painted out by the paint