Fill in the blank space for the given series with the correct alternative.
$1, 2, 6, 24, (...)$

Choose the correct alternative for the missing term in the series: $Z, U, Q, ?, L$

Choose the correct alternative answer

$adb...ac...da...eddeb...dbc...cbda$

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

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 vowels are there in the above arrangement,each of which is immediately preceded by a number and immediately followed by a consonant?

How many terms are there in the series $201, 208, 215, \dots, 369$?