Find the missing term: 4 ,7, 12, 19, 28, ?

Find out the wrong term: 25, 36, 49, 81, 121, 169, 225

36, 34, 30, 28, 24, ... What number should come next?

10, 34, 12, 31, 14, 28, 16, ... choose which pair of numbers comes next?

2, 6, 18, 54, ... What number should come next?

75, 65, 85, 55, 45, 85, 35, ... choose which pair of numbers comes next?

2, 4, 6, 8, 10, ... What number should come next?

Find the missing term: 11, 10, ?, 100, 1001, 1000, 10001

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