GRE
n
9
The remainder when $$3^{4n}$$ is divided by 10
1
The number of different prime factors of 500
The number of different prime factors of 360
The greatest possible value of $$\frac{2}{x-y}$$, where 9≤ x ≤ 12 and -2 ≤ y ≤ 8
2
The actual area of region X
150 square kilometers
The number of odd integers in Set S
The number of even integers in Set S
$$a^{2}$$b
192
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