In the set of three-digit numbers given below,the first two digits of each number are interchanged. Which one among them will be in the middle if they are arranged in ascending order after the change?
$230, 422, 328, 516, 138$

Fill in the blank space for the given series with the correct alternative.
$3, 7, 15, 31, 63, (\dots)$

Find out the wrong term from the given series.
$6, 13, 18, 25, 30, 37, 40$

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?

These questions are based on the following arrangement. Study it carefully and answer the questions.

$8 ,H ,\% ,3,7 ,T,A ,4 ,\# ,6 ,B,I ,@ ,R ,1 ,Q ,\star, L,E ,2 ,K ,\$ ,U ,5,9$

What will come in place of the question mark in the following series based on the above arrangement?

$7T3,4\#A,BI6,?$

Choose the correct alternative for the missing term in the series:
$QPO, SRQ, UTS, WVU, ?$