Question

solve this question ​

Answer 1

Answer:

450/-

Step-by-step explanation:

lateral surface area + area of the celling

=2(6+4.5)×3+6×4.5

=90m²

so,90×5=450/-

Here is your answer

Answer 2

Area to be white washed = T.S.Area of room - Area of floor

= 2(lb+bh+lh) - (lb)

= 2(6×4.5+4.5×3+6×3) - (6×4.5)

= 2(27+13.5+18) - (27)

= 2(58.5) -27

= 117-27

= 90 m²

Cost of white washing per m² area = ₹ 5

Cost of white washing 90 m² area = ₹ 5 × 90

= ₹ 450

Hope it helps you!