Fill in the missing number in the following arrangement based on some principle.

$8$	$6$	$4$
$3$	?	$7$
$14$	$16$	$18$

Find the missing number in the following series- 

$0, 1,3, 4, 8, 15, 27, ?$

Find the wrong number in the sequence
$125, 127,130, 135, 142, 153, 165$

Find the missing number in.the following series.

$1, 1, 4, 8, 9, 27, 16,?$

Find the missing number in the following series.

$10, 24, 52, ?, 220, 440, 892.$

Find the missing letters in the following series.

AK, EO, IS,_____ QA, UE