Choose the alternative that will complete the series:
$aku, fpz, kue, (\ldots), ueo, zjt$

Study the following arrangement carefully and answer the question given below:
$B, 2, I, J, K, 4, 3, H, 5, E, R, P, 6, N, A, 9, W, 8, T, U, 1, V, D, 7, F$
What should come in place of the question mark $(?)$ in the following series based on the given arrangement?
$2J, 4H, EP, ?$

Study carefully the following arrangement of letters,digits,and symbols to answer the question:
$M, 7, \&, 8, L, P, @, Q, N, \beta, T, Y, 3, 2, =, E, 4, 9, \#, G, H, 5$
How many such letters are there in the arrangement,each of which is immediately followed by a number?

Choose the correct alternative to fill in the blanks in the series: $aab....ab...cabcca....bcab....c$

Choose the correct alternative for the missing term:
$BEH, KNQ, TWZ, ?$

Find out the wrong term from the given series:
$5, 27, 61, 122, 213, 340, 509$