From the word $ASTOUNDER$, how many independent words can be made without changing the order of the letters and using each letter only once?

In the following list of letters,how many $O$'s are followed by $Q$'s but not preceded by $D$'s?
$D, O, Q, O, D, Q, O, D, O, D, Q, D, O, Q, D, S, D, Q, P$
$O, Q, D, S, S, S, D, O, Q, O, Q, D, O, Q, D, D, O, Q$

$A$ group of letters is given which are numbered $1, 2, 3, 4,$ and $5$. Below are given four alternatives containing combinations of these numbers. Select the combination of numbers so that the letters arranged accordingly form a meaningful word.
$R, A, C, E, T$
$1, 2, 3, 4, 5$

In the following alphabet series,which letter is eighth to the left of the sixteenth letter from the right end?
$A, B, C, D, E, F, G, H, I, J, K, L, M$
$N, O, P, Q, R, S, T, U, V, W, X, Y, Z$

How many pairs of letters in the word $DABBLE$ have as many letters between them in the word as in the alphabet?

Arrange the given words in alphabetical order and choose the one that comes in the middle.