GRE
The number of positive factors of k, including 1 and k
4
x
2
The remainder when 11,999,999 is divided by 12
11
The standard deviation of all the numbers in Set A
The standard deviation of all the numbers in Set B
100!
$$(50!)^{2}$$
The remainder when n(n+1)(n+2) is divided by 6
1
$$x^{-2}$$
$$x^{2}$$
The median of the numbers in set S
48
$$Q_{11}$$
$$(3^{17})Q_{28}$$
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236本备考书籍