RBI Assistant Mains 2017 Sitting 3 Paper

If it is possible to make only one meaningful English word with the first, the fourth, the fifth and the seventh letters from the left of the word EVACUATION, using all the letters but each letter only once, which would be the second letter of the word from the left end? If more than one such word can be formed, give 'Z' as your answer.If no such word can be formed give 'Y' as your answer.