It is also known as Chinese layering, Pot layering,

56, 27, 14.5, 6.25, ?, 1.0625

632, 625, 611, 590, 562, ?

33, ?, 66, 82.5, 99, 115.5

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

5, 7, 12, 22, 39, 65, ?

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

100, 149, 68, 189, ?, 245

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

2, 6, 12, 20, 30, ?

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

64, 79, 109, 169, 289, ?

124, 147, 176, 207, 244, ?

96, 457, 168, 393, ?, 345