Find out the missing number from the given responses.

3, 4, 7, 7, 13, 13, 21, 22, 31, 44, (?)

Find out the missing number from the given responses.

8, 9, 8, 7, 10, 9, 6, 11, 10, (?), 12

Find out the missing number from the given responses.

11, 10, (?), 100, 1001, 1000, 10001

Find out the missing number from the given responses.

$\frac{4}{9}, \frac{9}{20}, \left(?\right), \frac{39}{86}$

In the following question, one of the term in the number series is wrong. Find out the wrong term.

1, 5, 5, 9, 7, 11, 11, 15, 12, 17

In the following question, one of a term in the number series is wrong. Find out the wrong term.

2, 3, 6, 12, 24, 58

In the following question, one of a term in the number series is wrong. Find out the wrong term.

1236, 2346, 3456, 4566, 5686

In the following question, one of a term in the number series is wrong. Find out the wrong term.

13 (168) 13, 14 (181) 13, 15 (195) 13

In the following question, one of a term in the number series is wrong. Find out the wrong term.

2, 12, 36, 80, 150, 205