The position of how many letters will remain unchanged if each of the letters in the word ‘NIGHTMARES’ is re-arranged in the English alphabetical order from left to right?

Option
a) One
b) Four
c) Two
d) Three

Solution

NIGHTMARES’
Alphabetical order= A E G H I M N R S T
unchanged letters G H I M R
Answer : Four

Correct Answer: Four