Find out the wrong term from the given series.
$445, 221, 109, 46, 25, 11, 4$

Choose the correct alternative to fill in the blanks in the series: $abca....bcaab....ca....bbc...a$

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 exactly in the middle between $A$ and $D$ in the above arrangement?

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?

Fill in the blank space for the given series with the correct alternative.
$2, 6, 11, 17, (\ldots), 32$

Second and third digits of each number given below are interchanged. Then,the $1st$ and the last digits of each new number thus formed are interchanged. Which of the following numbers then will be the highest number among the five?
$273, 372, 438, 184, 526$