Choose the correct alternative to complete the series: $cccbb...aa...cc...bbbaa...c$

Choose the correct alternative answer

$m....nm....n.....an.....a....ma.....$

Find out the missing term for the given series from the given alternatives.
$ABP, CDQ, EFR, (?)$

Which is the number that comes next in the following sequence?
$4, 6, 12, 14, 28, 30, (\dots)$

Find the missing term in the series: $2, 6, 12, 20, 30, ?$

Study carefully the following arrangement of letters, digits and symbols to answer these

questions.

$M, 7 , \# , 8, L ,P ,@ ,Q ,N ,\beta ,T ,Y ,3 ,2 ,= ,E ,\$ ,4 ,9 ,*, G ,H ,5$

If all the numbers are deleted from the arrangement, then which of the following will be fifth to the right of the $13^{th}$ element from the right end?