Select the segment which has a grammatical error.

480, 288, ?, 103.68, 62.208, 37.3248

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

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

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

29, 30, 33, ?, 69, 150

64, 80, 120, 210, ?,  945

562, 628, 698, ?, 850

3, 10, 29, 66, ?

Which of the following number will replace the question mark (?) and complete the given number series?

4, 5, 12, 39, 160, ?

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

15, 90, 450, ?, 5400, 10800 

16, 8, 8, 12, ?, 60

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

12, 13, 27, ?, 329, 1646