a room has a dimensions 34m × 24m × 8m find the cost of white washing the four walls and celling at the rate of Rs 10 per m2
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Step-by-step explanation:
Dimensions of the room
length =l=5m
breadth=b=4m
height =h=3m
area of four walls of the room= 2(l+b)h
=2(5+4)3
=2×9×3
=54 square meters
cost of white washing per 1 square m =Rs12
cost of white washing 54sq m =12×54
=Rs648
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