Question

please solve 10 question

Answer 1

A = 2h(l + b)

Area of room = 2*6.5(15.35 + 4.65) = 260

Area of 4 doors = 4lb = 4 * 1.5 * 1.3 = 7.80

Area of 3 windows = 3 * 1.5 * 1.2 = 5.40

Area of the wall for whitewashing = 260 - (7.8 + 5.4) = 246.80

Cost for whitewashing = 246.80 * 3.4 = Rs. 839.12