Question

a door frame of dimensions 4m of 3 M is fixed on the wall of dimensions 15 m into 15 M find the cost of whitewashing the world @ rupees 3.5 M per square

Answer 1

(15×15)-(4×3)

225-12 = 213 sq.m

cost of whitewashing = 213×3.5
=rs 745.5

Answer 2

Answer:

15mx15m-4mx3m=225sq.m-12sq.m=213sq.m

cost of white washing=213x3.5=745.50