For the following questions answer them individually
The sum of two numbers is 40 and the difference of these two numbers is 4. Find the ratio of these two numbers.
The area of an equilateral triangle is $$24\sqrt{3} cm^2$$. What is the perimeter of this equilateral triangle ?
If a point moves in a plane in such a way that the sum of its distances from two fixed points is constant, the curve so traced is called :
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