IBPS RRB Officer Prelims 14 Nov 2016 Shift 1 Paper

If only one meaningful English word can be made with the first, the fourth, the ninth and the tenth letters of the word CORRUPTION, using each letter only once, then which of the following is the third letter of the word from the left? If no such word can be formed then your answer is ‘X’. If more than one such word can be formed then your answer is ‘Z’.