IBPS PO Prelims 20 Oct 2024 Shift 1 Paper

If it is possible to make a four letter meaningful word from the first letter, fourth letter, sixth letter and eighth letter of the word "OBJECTIVE", then what is the second letter of the word? If more than one such word can be made, then give "X" as the answer, and if no such word can be formed then give "Z" as the answer.