What is the next number in the series: $1, 12, 123, 1234, ?$

$20, 20, 19, 16, 17, 13, 14, 11, ?, ?$

$5, 11, 19, 29, ?$

$16, 22, 40, 78, 144, ?$

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.

$85$	$43$	$44$	$67.5$	$137$	$345$
$125$	$(a)$	$(b)$	$(c)$	$(d)$	$(e)$

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

Find out the odd number from the given sequence: $484, 240, 120, 57, 26.5, 11.25, 3.625$.