You won't get previous years question of JEST exam, though you can see their sample paper which they have uploaded on their official website. Try to solve TIFR and ISI previous years questions of DS,ALGO and Discrete mathematics. Here is the memory based question of previous year JEST exam you can see the level of questions for part A
Link: https://drive.google.com/file/d/1xdMYpSSTs4mI-S4HzFBok9oxcDkGRjG-/view?usp=sharing
Part B will be written exam where you have to write proofs, so focus on ds,algo, dm and toc that will be enough for part A, all the best.
@vivek_mishra
Thank you :)
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