hello aspirant,
There is no exact percentage of formula questions that come from ipe exams.however the syllabus is same for ipe and eamcet exam,so to solve the base level and tough level questions all formulas are needed .its true that the paper comes in such a way where the minimum marks will be easy to score so these marks can be attainable through ipe formulas so learn all formulas to score well ,even to solve medium and tough level problems we need all types of formulas.
for tips and tricks refer to: https://engineering.careers360.com/articles/how-crack-ts-eamcet
hope this helps,
thankyou.
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