Question 99
How many pairs of letters are there in the word “ MODULAR ” each of which has as many letters between them in the word as they have between them in the English alphabetical series?
Solution
In the word MODULAR the possible pairs of letters that satisfy the condition that each of which has as many letters between them in the word as they have in between English alphabetical series :
The possible pairs of letters are :
" O - L ".
" A - D ".
" R - U ".
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