In the following questions pick the odd think out.
Note: The following questions follow a definite pattern Observe the same and fill in the blanks with suitable answers.
7, 13 ,31, 57, 133, _________
2, 7, 17, 32, 52, 77, 107, ___________
16, 36 , 100, 144 , _______
$$\frac{1}{6}, \frac{1}{2}, \frac{5}{6}, 1\frac{1}{6}, 1\frac{1}{2}$$, _______
10, 30, 150, 1050, _______ , 150150