Four words are EQUATION, MATHS, WINTER and RAIN.
When counted from the left, if every fourth letter in each of the above words is changed to the previous letter in the English alphabetical order, how many words thus formed will have no letter appearing more than once?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Four.
Given words: EQUATION, MATHS, WINTER, RAIN
If every fourth letter in each of the above words is changed to the previous letter in the English alphabetical order, then
New words: EQUZTION, MATGS, WINSER, RAIM
Thus, four words thus formed will have no letter appeared more than once.