Number Series Questions

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

567, 189, 63, ?, 7

Find the missing number in the series.

2, 3, 8, ?, 112, 565

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

108, 104, 100, 96, 92, ?

Which number will complete the series?

63, 72, 81, 90, ____, 108

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

91, 100, 118, 145, ?, 226

Select the number missing from the given series.

15, 20, 18, 23, ?, 26, 24

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

2187, 729, 243, 81, 27, ?

Find the value of 6 + 11 + 16 + 21 + 21 + .... + 71.