Fill in the blank space for the given series with the correct alternative.
$0.5, 1.5, 4.5, 13.5, (\ldots)$ (in $.5$)

These questions are based on the following arrangement. Study it carefully and answer the questions.

$8 ,H ,\% ,3,7 ,T,A ,4 ,\# ,6 ,B,I ,@ ,R ,1 ,Q ,\star, L,E ,2 ,K ,\$ ,U ,5,9$

If all the symbols are dropped from the above arrangement, which element will be ninth from the left end ?

Fill in the blank space for the given series with the correct alternative.
$134, 245, 356, 467, (...)$

Find the missing letters for the given series from the given alternatives.
$ccbab....caa.....bccc.....a.....$

If the numbers from $1$ to $45$ which are exactly divisible by $3$ are arranged in ascending order,with the minimum number at the top,which number would be at the ninth place from the top?

Find the missing letters for the given series from the given alternatives.
$a....cdaab....cc....daa....bbb......ccddd$