Question

5)
The length of a room is two times its breadth and it contains 210 m'3 of air. If the
cost of painting its walls at Rs 54 per sq.m. is Rs 6,804, find the height of the room.​

Answer 1

Step-by-step explanation:

5)

The length of a room is two times its breadth and it contains 210 m'3 of air. If the

cost of painting its walls at Rs 54 per sq.m. is Rs 6,804, find the height of the room.

Answer 2

Answer:

Take the breadth as x and find the other dimensions in x... now find x and then the area of the floor... multiply that by 4 to get the total cost....which comes out to be r.s. 28800