Area Problems
A wheel makes 1000 revolutions in covering a distance of 88 km. the diameter of the wheel is?

40 meters
24 meters
28 meters
14 meters

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

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