Question

a verandah 1.25 metre is constructed all along outside of a room 7.5 metre long and 5 metre wide find the area of the verandah and the cost of cementing the floor of the verandah at the rate of rupees 15 per metre square.​

Answer 1

Answer:

$Area of the room is given by 7.5m×5m = 37.5m2</p><p></p><p>Area of the verandah with room is given by (7.5+1.25+1.25)m×(5+1.25+1.25)m=10m×7.5m=75m2</p><p></p><p>∴ The area of the verandah = 75m2 - 37.5m2 = 37.5m2</p><p></p><p>Cost of cementing the floor of the verandah = Rs.15/m2</p><p></p><p>Total cost of cementing the floor of the verandah = 37.5×15=Rs562.5</p><p></p><p>$