Question

What will be the labour cost of laying the floor of an assembly hall that is 16 m long and 12 m wide if the cost of laying 1 sq m is 80 rupees?

Answer 1

Area of rectangular floor

= length x breadth

= 16 x 12 

= 192 sq.cm. 

The cost of laying 1 sq.m, is 80 rupees. 

Hence, the cost of laying 192 sq.m. 

= 192 x 80 

= 15,360 rupees. 

∴ ₹ 15,360