Question
The position(s) of how many letters will remain
unchanged if each of the letters in the word OPERATOR is arranged in the English alphabetical order?Solution
OÂ Â Â Â Â Â Â Â Â Â Â Â PÂ Â Â Â Â Â Â Â Â Â Â Â EÂ Â Â Â Â Â Â Â Â Â Â Â Â RÂ Â Â Â Â Â Â Â Â Â Â Â AÂ Â Â Â Â Â Â Â Â Â Â Â TÂ Â Â Â Â Â Â Â Â Â Â Â Â OÂ Â Â Â Â Â Â Â Â Â Â Â R AÂ Â Â Â Â Â Â Â Â Â Â Â EÂ Â Â Â Â Â Â Â Â Â Â Â Â OÂ Â Â Â Â Â Â Â Â Â Â Â OÂ Â Â Â Â Â Â Â Â Â Â Â PÂ Â Â Â Â Â Â Â Â Â Â Â RÂ Â Â Â Â Â Â Â Â Â Â Â RÂ Â Â Â Â Â Â Â Â Â Â Â T None of the etters will remain unchanged.
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