Inside walls of two rooms of internal dimensions 3 m × 4 m and 4 m × 5 m are to be plastered using 1 ∶ 6 cement sand mortar. Height of the rooms is 3 m. What is approximate cost of plastering the walls if the rate quoted by a contractor for plastering is Rs. 1,000/- per square meter? Consider total two doors of size 1.2 m × 2 m and four windows of size 1.5 m × 1.5 m are provided and they all are in different walls.(Rate quoted by the contractor is all inclusive i.e. labour, material, etc.)

Inside walls of two rooms of internal dimensions 3 m × 4 m and 4 m

1.	Inside walls of two rooms of internal dimensions 3 m × 4 m and 4 m × 5 m are to be plastered using 1 ∶ 6 cement sand mortar. Height of the rooms is 3 m. What is approximate cost of plastering the walls if the rate quoted by a contractor for plastering is Rs. 1,000/- per square meter? Consider total two doors of size 1.2 m × 2 m and four windows of size 1.5 m × 1.5 m are provided and they all are in different walls.(Rate quoted by the contractor is all inclusive i.e. labour, material, etc.)
A.	Rs. 1,25,500
B.	Rs. 82,200
C.	Rs. 68,300
D.	Rs. 56,400
Answer» C. Rs. 68,300