kishor1
Where can I obtain resources or practice questions on inequalities, set theory,probability and combinatorics ?
You can go to:
https://www.gmatpill.com/gmat-practice-t ... -questionsIt's free to create an account and see all the questions. Look at the "Question Type" column for the ones that say inequalities, venn diagram, or probability/combinatorics.
Alternatively, if you are looking for difficult questions, look for questions where <50% of users get them correct.
Paid membership gets you the video explanations.
You can learn more at
https://www.gmatpill.com/testimonials