Find the next number in the series: $27, 38, 71, 126, 203, ?$

Find the missing number in the series: $6, 13, 38, ?, 532, 2675$.

In the following number series,a wrong number is given. Find out that wrong number.
$16 \quad 19 \quad 21 \quad 30 \quad 46 \quad 71 \quad 107$

$32, 49, 83, 151, 287, 559, ?$

$2, 8, 16, 128, ?$

$9$	$10$	$22$	$69$
$5$	$(a)$	$(b)$	$(c)$

Which of the following numbers will come in place of $(b)$?