9, 12, 11, 14, 13, 16, 15, ... choose which pair of numbers comes next?

Find the missing term: 165, 195, 255, 285, 345, ?

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

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

Find out the wrong term: 1, 3, 12, 25, 48

14, 14, 26, 26, 38, 38, 50, ... choose which pair of numbers comes next?

Find the missing term: 2, 15, 4, 12, 6, 7, ?, ?

17, 17, 34, 20, 20, 31, 23, ... choose which pair of numbers comes next?

Find out the wrong term: 3, 4, 10, 32, 136, 685, 4116