Question

A room is 15 feet long and 12 feet broad. A mat has to be placed on the floor of this room leaving $1\frac{1}{2}$ feet space from the walls. What will be the cost of the mat at the rate of Rs. 3.50 per square feet?

• A. Rs.378
• B. Rs.472.50
• C. Rs.496
• D. Rs.630
• E. None of these

Answer 1

The correct option is A

Rs.378

Area of the mat = [(15 -- 3) $\times$ (12 -- 3)] sq. ft. = 108 sq. ft.

$\therefore$Cost of the mat = Rs. (108 $\times$ 3.50) = Rs. 378