Question

The length, breadth and height of a room is 12m, 10m, and 8m respectively. Find the cost of white washing it's wall at the rate of 75rupees (m)and cementing the floor at the rate of 100per m2

Answer 1

LSA=2*8(12+10)
=352
Money required =75(352)
=26400

Area of bottom=120
Money required =100(120)
=12000

Total money required =26400+12000
=39400
=