In the following number series,a wrong number is given. Find out that wrong number.
$7, 9, 16, 25, 41, 68, 107, 173$

$11, 10, ?, 100, 1001, 1000, 1001$

$616$	$496$	$397$	$317$	$254$
$838$	$(A)$	$(B)$	$(C)$	$(D)$	$(E)$

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

$1, 3, 24, 360, 8640, 302400, ?$

$703$	$803$	$924$	$1068$	$1237$	$1433$
$307$	$(A)$	$(B)$	$(C)$	$(D)$	$(E)$

What should come in place of $E$?

What is the value of $S = \frac{1}{1 \times 3 \times 5} + \frac{1}{1 \times 4} + \frac{1}{3 \times 5 \times 7} + \frac{1}{4 \times 7} + \frac{1}{5 \times 7 \times 9} + \frac{1}{7 \times 10} + \dots$ up to $20$ terms?