Canal of wide 1 metre is constructed all the inside the file which is 24 metre long and 15m wide the area of canal the cost of construct the candle at the rate of 12 square metre
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Answer:
24*15=360m.sq.
(24-(1*2)*(15-2)=286m.sq.
Area of canal=360-286m.sq.=74m.sq
rate=74*12= ₹888
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