Question

a door of length 2 metre breadth one metre is fitted in a wall the length of a wall is 4.5 cm and breadth is 3.6cm.find the cost of the white washing of the world if the cost of whitewashing the wall is rupees 22 per metre square ​

Answer 1

Answer:

Rs. 312.4

Step-by-step explanation:

area of door= 2 m*1 m=2 sq.m.

area of wall= 4.5 m*3.6 m=16.2 sq. m.

area to be white washed= 16.2 sq. m. - 2 sq. m.=14.2 sq. m.

cost of white washing= 14.2 sq. m.* rs. 22= Rs. 312.4