Number Series Questions

Find the missing number in the series:

219, 211, 204, 198, ?, 189

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

2187, 729, 243, 81, 27, ?

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

14, 17, 21, 24, 28, 31, ?

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

567, 189, 63, ?, 7

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

19, 25, 32, 38, 45, 51, ?

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

470, 465, 460, 455, ?, 445

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

9, 10, 13, 22, 49, ?

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

9, 13, 18, 24, 31,