Question

Perimerter of square room is 40m.find cost of flooring it at the rate of rs 12 per square meter

Answer 1

p = 40 m

$s = \frac{p}{4} = \frac{40}{4} = 10m$

$area = {s}^{2} = {10}^{2} = 100 {m}^{2}$

rate of flooring = ₹12/m sq

ans= ₹1200