Question

15
In the "PRELIMINARY" find out how many such pairs of letters are there in the given word each
of which has as many letters between them in the word as in the English alphabet.

Answer 1

$\fontsize{18}{10}{\textup}{\textbf{There are two pairs of letters in the given word}}$

Step-by-step explanation:

The following are the two results

There are 3 letters between E and I in the alphabet

Likewise in the given word  

PRELIMINARY

There are 5 letters between L and R in the alphabet

Likewise in the given word

PRELIMINARY