The length, breadth and height of a room are 11m , 11m and 10m respectively. Find the cost of white washing the walls of the room and the ceiling at the rate of Rs. 8 per sq m
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Answer:
Surface area of cubiodal room = 2h(l+b)
2×10(11+11)
440 m²
Cost of white washing of 1 m²= ₹8
Cost of white washing of 440m²= 8×440
=₹3520
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