Choose the correct alternative for the missing term:
$AB, BA, ABC, CBA, ABCD, ?$

Find the missing term for the given series from the given alternatives:
$DEB, IJG, NOL, ?, XYV$

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 symbols are deleted from the arrangement, which of the following will be fourth to the left of the $17^{th}$ element from the left end ?

To answer these questions study carefully the following arrangement of letters, digits and symbols.

$6, =, C, E, 3, 8, G, L, M, 7, \star, @, P, R, 4, \#, \$, N, T, 5, S, V$

How many such symbols are there in the arrangement each of which is immediately preceded by a number?

Find out the wrong term from the given series.
$196, 169, 144, 121, 80$

Find out the wrong term from the given series.
$10, 14, 28, 32, 64, 68, 132$