Area Problems
A cost of cultivating a square field at a rate of ? 135 per hectare is ? 1215. The cost of putting a fence around it at the rate of 75 paise per meter wouldbe

? 900
? 810
? 1800
? 360

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Area Problems
If the area of an equilateral triangle is x and its perimeter is y, then which one of the following is correct?

y4 = 216 x2
y2 = 432 x2
y4 = 432 x2
None of these

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Area Problems
The perimeter of two squares are 68 cm. Find the perimeter of the third square whose area is equal to the different of the areas of these two squares.

8 cm
64 cm
32 cm
60 cm

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