square room is 12 metre long and 4 metre high find the cost of plastering its walls ceiling and floor at rupees 40 per square metre
please give clear and step by step answer
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Answer:
Length=12m
high=4m
area of square=4l
=4*12
=48msq.
1msq.=40₹
48msq.=?
48*40
1920₹
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