Find the missing term: 2, 8, 16, 128, ?

34, 30, 26, 22, 18, 14, 10, ... choose which pair of numbers comes next?

Find out the wrong term: 3, 2, 8, 9, 13, 22, 18, 32, 23, 42

XXIV, XX, __, XII, VIII. What number should fill the blank?

Find the missing term: 1, 3, 4, 8, 15, 27, ?

What will come at the place of question mark ?<br>9, 27, 31, 155, 161, 1127, ?

Find out the wrong term: 93, 309, 434, 498, 521, 533

Find the missing term: 2, 3, 8, 27, 112, ?

84, 78, 72, 66, 60, 54, 48, ... choose which pair of numbers comes next?