Hello,

I hope you are doing fine, Cracking Any exam in the first attempt purely depends on one's Capability and his knowledge.  As far as I know SBI PO clerk exam Questions are of easy to Moderate level. But the one who can get the Correct Answer in less time wins. The exam is of 60 Mins Duration comprising of 100 Questions. So It is difficult to crack At one time but not impossible.

To crack SBI PO in first attempt you should -

1. Get Acquainted With The Exam Pattern.
2. Be Thorough With The Syllabus.
3. Schedule A Timetable.
4. Learn The Basics.
5. Practice With Commitment.
6. Cultivate Reading And Writing Habits.
7. Make A Notes of Whatever you study.
8. Attend Coaching Classes.

I hope you find this information helpful. I wish you all the best for your future.

Good Luck