Question

The length of a room is exceeds its breadth by 10dm and its perimeter is 100dm. The cost of carpenting it at rs.5/m^2 is

Answer 1

I-b=l0,2(I +b) = 100, I+b=50

solving l=30&b=20dm

I=3m &b=2m

Area = 3x2 = 6m2=6x5=

Ans Rs 30