Arrange the words in alphabetical order and select the one that comes second.
Emergency,Entaemology,Ecstasy,Explosion,Eager

How many meaningful English words can be formed with $ESRO$ using each letter only once in each word?

How many pairs of letters are there in the word $HORIZON$ which have as many letters between them in the word as in the English alphabet?

Each of the following questions is based on the following alphabet series.
$A, B, C, D, E, F, G, H, I, J, K, L, M$
$N, O, P, Q, R, S, T, U, V, W, X, Y, Z$
Which letter is exactly midway between $H$ and $S$ in the given alphabet?

How many pairs of letters are there in the word $ADEQUATELY$ which have as many letters between them in the word as in the alphabet?

$A$ group of letters is given which are numbered $1, 2, 3, 4, 5$ and $6$. 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.
$E, H, R, A, S, P$
$1, 2, 3, 4, 5, 6$