GRE Question of the Day (November 1st)

Math

In the xy-plane,\({C}\) and \({D}\) are circles centered at the origin with radii \({[square_root]17[/square_root]}\) and \({[square_root]5[/square_root]}\), respectively.

Quantity A	Quantity B
The number of points (a, b) on circle \({C}\) where both a and b are integers	The number of points (a, b) on circle \({D}\) where both a and b are integers

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

Correct Answer - C - (click and drag your mouse to see the answer)

Question Discussion & Explanation