A swimming pool is to be made with the walls having blue tiles and the floor having white tiles. The breadth, length and depth of the pool are 4m , 8m and 2m , respectively . find the no. of blue and white tiles required if they cover a surface area of 1.5 sq. m and 2 sq. m, respectively ?
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Step-by-step explanation:
It is given that length, breadth and height of a room are 8 m, 5 m and 3 m respectively.
Area of four walls of the room is: 2h(l+b)
A=2h(l+b)=2×3(8+5)=6×13=78 m
2
Area of the ceiling is:
A=l×b=8×5=40 m
2
Total area of the four walls and the ceiling of the room is 78+40=118 m
2
It is given that cost of white washing is Rs.15/m
2
, therefore,
Total cost of white washing is:
118×15=1770
Hence, the cost of white washing the walls is Rs.1770.
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