Find out the wrong term from the given series:
$6, 14, 30, 64, 126$

Fill in the blank space for the given series with the correct alternative.
$3, 9, 27, 81, (\ldots)$

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?

Find the missing letters for the given series from the given alternatives:
$aab....bbaaa....cbba.....abc.....ba$

Find out the missing term for the given series from the given alternatives:
$AZ, BY, CX, ?$

Choose the correct alternative to complete the series: $b e . . b . . c . . b . . c c b$