Number Series Questions

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

3, 5, 7, 9, ?

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

44, 40, 36, ?, 28, 24

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.

21, 25, 34, 50, ?, 111

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

41, 54, 67, ?, 93

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

6, 11, 16, 21, 26, ?

Choose the missing terms out of the given alternatives DHL, PTX, BFJ, ?