Question

5. A carpet is to be laid down in a square hall of side
6m leaving 25 cm
space from the four walls of the hall. What will be the cost of the carpet
at 120 per
m² ?
(1) 3600 (2) 3830
(3)3530
(4) 3630
pls explain step by step​

Answer 1

1m=100cm

6m=600cm

we should leave 25cm each side,it is 100cm

so, 600-100=500cm=5m

area of square=sxs

=5x5

=25 sq. m.

cost per 1 sq. m. =120

cost per 25 sq. m. =$120x25$

=Rs. $3000$