Question

9. Find the cost of carpeting a rectangular room at the rate of 2 per sq m, if the room is 20 m long and 30 m broad. (a) * 1200 (b) 600 (c) 300 (d) * 900​

Answer 1

Answer:

what is mean by this question I not understand

Answer 2

Answer:

a) * 1200

cost of carpeting a rectangular room per sq.m =Rs . 2

let length of the room (L) be = 20m

let breadth of the room (b) be = 30m

then, area of the rectangular room = (length × breadth)

= 20m × 30m

= 600 sq.metres

Step-by-step explanation:

cost of carpeting rectangular room = (cost of carpeting per sq.m × area of rectangular room)

= 2× 600 sq.m

= Rs.1200