IBPS RRB Officer Scale 1 Exam 1 Aug 2021 Prelims Shift 1 Paper

If it is possible to make only one 4 letter meaningful word without repetition of letter with the second, fourth, sixth and the eighth letters of the word ‘DIALOGUE’, which would be the second letter of the word? If more than one such word can be formed, give X as the answer. If no such word can be formed, give K as your answer.