$2$	$3$	$9$	$40.5$
$4$	$(a)$	$(b)$	$(c)$

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

$3, 18, 12, 72, 66, 396, ?$

Find out the odd number from the given sequence: $6, 7, 9, 13, 26, 37, 69$.

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 same pattern as the original series.

$12$	$30$	$120$	$460$	$1368$	$2730$
$16$	$(a)$	$(b)$	$(c)$	$(d)$	$(e)$

What will come in place of $(d)?$

$4, 10, 33, 136, 685, ?$

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