Find out the odd number from the given sequence: $850, 600, 550, 500, 475, 462.5, 456.25$.

Find the missing number in the series: $7, 4, 5, 9, ?, 52.5, 160.5$

Find the missing number in the series: $13, 16, 22, 33, 57, ?$

In each of the following questions,a number series is given. After the series,a number is given followed by $(a), (b), (c), (d),$ and $(e).$ You have to complete the series starting with the number given,following the sequence of the original series and answer the questions that follow the series.

$7$	$91$	$1001$	$7007$	$35035$	$105105$
$14.5$	$(a)$	$(b)$	$(c)$	$(d)$	$(e)$

What will come in place of $(c)$ (in $.5$)?

Find out the odd number from the given sequence: $8, 12, 24, 46, 72, 108, 216$.

$165, 195, 255, 285, 345, ?$