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The cost of cultivating a square field at the rate Rs 360 per hectare is Rs 3240. What is the cost of putting a fence around it at 75 paise per metre?
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Dont forget to explain.

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Rs 360 is the cost of cultivation of 1 hectare

So Rs 3260 will be cost for 3240/360=9hectare= 90000sqmeter

Since 1 hectare = 10000sqmeter

So area of square land =90000sqmeter

So length of each side = ✓90000=300m

Its perimeter =4*300=1200m

So the cost of fencing @Rs0.75 will be

=RS.0.75*1200=Rs900.

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