What will come in the place of question mark (?) in the

What should come in place of (?) question mark in the given number series.

81, 73, 66, 60, 55, ?

14 6 4 4 ? 48

What should come in place of (?) question mark in the following number series.

5, 11, 23, 47, 95, ?

In each of the following number series, one term is missing. Find the missing term.

1, 4, 9, 16, 25, ?

What will come in place of the question mark (?) in the following series?

4, 11, 32, 95, 284, 851, ?

156, 182, 210, 240, 272, ?

31      32        35       ?        47         56

What should come in place of (?) question mark in the following number series.

1, 2, 6, 24, 120, ?

What value should come in the place of (?) in the following number series?

71, 72, 76, 103, ?, 244

254, ?, 1022, 1150, 1214, 1246