The IBPS Clerk Reasoning Ability question papers for the mains exam in 2018 would have consisted of questions designed to test the candidate's logical reasoning, critical thinking, and problem-solving abilities. These questions would have covered topics such as syllogisms, coding-decoding, blood relations, alphabet series, number series, direction sense, and more.
Google Drive Link (question paper 2018) - https://drive.google.com/file/d/1phLtV4zcKgbg4dYc1Gwk7NDrooO3Ghpu/view?usp=sharing