Question

The length of the room is $5\frac{1}{2}$ metres and width $3\frac{3}{4}$ metres, find the cost of paving the floor by slabs at the rate of Rs. $800$ per ${\text{m}}^2$.

Answer 1

Area of the floor of the room $=5\frac{1}{2}\times 3\frac{3}{4}m$
$=\frac{165}{8}{m}^2$
Cost for paving the floor $=Rs.\frac{165}{8}\times 800$
$=Rs.16500$