Number Series Questions

In the following question, select the missing number from the given series.

9, 16, 13, 12, 17, 8, ?, ?

In the following question, select the missing number from the given series.

11, 13, 16, 18, 21, ?

In the following question, select the missing number from the given series.

144, 139, 133, 128, ?, 117, 111

In the following question, select the missing number from the given series.

13, 16, 20, 23, 27, ?

Which number will fit in '?' place in the following series?

2, ?, 12, 20, 30, 42

In the following question, select the missing number from the given series.

42, 47, 52, 57, ?, 67

In the following question, select the missing number from the given series.

2, 3, 4, 9, 16, 29, 54, ?

In the following question, select the missing number from the given series.

67, 80, 93, ?, 119, 132