Find out the wrong term from the given series.
$125, 126, 124, 127, 123, 129$

Study the following arrangement carefully and answer the question given below:
$B, 2, I, J, K, 4, 3, H, 5, E, R, P, 6, N, A, 9, W, 8, T, U, 1, V, D, 7, F$
How many such numbers are there in the above arrangement,each of which is immediately preceded by a vowel and immediately followed by a consonant?

What should come next in the following letter series?
$nsi, org, pqe, qpc, ?$

Find the missing letters for the given series from the given alternatives.
$b....b...bb....,.....bbb.....bb....b$

Fill in the blank space for the given series with the correct alternative.
$66, 36, 18, (\ldots)$

Study the following arrangement carefully and answer the question given below:
$B, 2, I, J, K, 4, 3, H, 5, E, R, P, 6, N, A, 9, W, 8, T, U, 1, V, D, 7, F$
How many such consonants are there in the given arrangement,each of which is immediately followed by a number but not immediately preceded by a vowel?