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

$963, 927, 855, 747, 603, 423, ?$

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

$18, 20, 44, 138, 560, 2810, ?$

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

$1200, 480, 192, 76.8, 30.72, 12.288, ?$

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

$5, 9, 18, 34, 59, 95, ?$

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

$841, 961, 1089, 1225, 1369, 1521, ?$

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

$40280625, 732375, 16275, 465, 18.6, 1.24, ?$

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

$14, 12, 21, 59, 231, 1149, ?$

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

$1728, 2744, 4096, 5832, 8000, 10648, ?$

In this question, a number series is given. Only one number is wrong which doesn't fit in the series. Find out the wrong number.

$529, 841, 961, 1296, 1681, 1849, 2209$