Arrange the given words in alphabetical order and choose the one that comes in the second place:

Which of the following series observes the rule,"Skip in between adjacent letters,increasing one letter more each time to build a set of letters"?

If the first and second letters in the word $DEPRESSION$ were interchanged,also the third and the fourth letters,the fifth and the sixth letters and so on,which of the following would be the seventh letter from the right?

$A$ 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 that combination of numbers so that the letters arranged accordingly form a meaningful word.
$R, T, A, O, U, H$
$1, 2, 3, 4, 5, 6$

$A$ group of letters is given which are numbered $1, 2, 3, 4, 5$. 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.
$R, P, E, D, I$
$1, 2, 3, 4, 5$

Arrange the given words in alphabetical order and choose the one that comes in the second place: