Find the missing term: 3, 4, 7, 7, 13, 13, 21, 22, 31, 34, ?

Find out the wrong term: 2, 5, 10, 50, 500, 5000

3, 8, 13, 18, 23, 28, 33, ... choose which pair of numbers comes next?

V, VIII, XI, XIV, __, XX. What number should fill the blank?

In a given series one term is wrong or missing term: 2, 3, 5, 8, 13, 34

(1/9), (1/3), 1, ____ , 9. What number should fill the blank?

58, 52, 46, 40, 34, ... What number should come next?

544, 509, 474, 439, ... What number should come next?

Find the missing term: 1, 2, 3, 6, 9, 18, ?, 54