$35, 76, 253, 488, 911, ?$

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 $.5$)?

$512, 256, 128, 64, 32, ?$

Find out the odd number from the given sequence:
$157.5 \quad 45 \quad 15 \quad 6 \quad 3 \quad 2 \quad 1$

In the following number series,one of the numbers does not fit into the series. Identify the wrong number in the series.
$5 \quad 7.5 \quad 11.25 \quad 17.5 \quad 29.75 \quad 50 \quad 91.25$

Find the missing term in the series: $4.5, 16, ?, 33, 38.5, 42, 43.5$