If one side of a cubical box is 30 cm and cost of 100 sq.em canvas is?

1.	If one side of a cubical box is 30 cm and cost of 100 sq.em canvas is? ait isa) 142c) 2450v of caseas to coverb) R146c) 2152d)2162
Answer» 𝒅) ₹162 𝑬𝒙𝒑𝒍𝒂𝒏𝒂𝒕𝒊𝒐𝒏:Surface area of cube = 6a² = 6 × 30 × 30 = 5400cm²Cost of 100 cm² is ₹3So, cost of 5400 cm² = 54 × 3 = ₹162

If one side of a cubical box is 30 cm and cost of 100 sq.em canvas is? ait isa) 142c) 2450v of caseas to coverb) R146c) 2152d)2162

Answer»

𝒅) ₹162

𝑬𝒙𝒑𝒍𝒂𝒏𝒂𝒕𝒊𝒐𝒏:Surface area of cube = 6a² = 6 × 30 × 30 = 5400cm²Cost of 100 cm² is ₹3So, cost of 5400 cm² = 54 × 3 = ₹162