What terms will fill the blank spaces?
$Z, X, V, T, R, (...), (...)$

Study the following arrangement carefully and answer the question.
$O, 4, E, J, 5, T, 1, A, M, Q, 3, 8, N, I, K, 7, W, F, 6, S, 9, U, 2, Y, X$
How many such numbers are there in the above arrangement,each of which is immediately preceded by a consonant and also immediately followed by a consonant?

Study the following arrangement carefully and answer the question given below:
$R, 4, E, J, 5, T, 1, A, M, Q, 3, 8, N, I, K, 7, W, F, 6, D, 9, U, 2, Y, V$
Which of the following is the fourth to the right of the tenth from the right end of the above arrangement?

Choose the correct alternative to complete the series: $....a...b...abaa...bab...abb$

Find out the wrong term from the given series: $8, 13, 21, 32, 47, 63, 83$.

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