Question

Find the cost of white washing the four walls of the room with dimension
$5m \times 4m \times 3m$
At the rate of Rs 12 per sq. M
​

Answer 1

Answer:

Area of four walls= 2(l + b)h (ceiling and floor is not to be included)

= 2× 3 (5 + 4)

= 6 ×9

= 54 m²

Cost @ Rs. 12/m2 = Rs. 54 12

= Rs 648

Answer 2

● Hey !! Your answer

Area of four walls = 2( l + b ) h

= 2 × 3 ( 5 + 4 )

= 6 × 9

= 54 m square

Cost of Rs 12 / m square = Rs 54 × 12

= Rs 648

HOPE IT HELPS