Question

length of a a square hole is 16cm find the cost of flooring the square hall at rupees 120 per square metre ​

Answer 1

given the length of sq hall = 16 cm

then , Area of sq hall = side × side

= 16 ×16 = 256 sq cm

area in sq mt = 256/10000 = 0.0256 sq mt

so Cost of flooring hall at Rs 120 per sq mt

= area of hall ( sq mt) × cost per sq mt.

= 0.0256 × 120

= 3.072 Rs.