Dear Aspirant,
In GENERAL CATEGORY if you need to get a seat through EAMCET you need to get minimum 25% of marks i.e., 40 marks out of 160. As your friend got 40 marks in EAMCET , if he also got minimum >=65% marks in IPE then only he will be qualified . As you didn't mentioned his IPE marks it's not possible to calculate rank as 25% IPE weightage is considered. you also didn't mentioned you state weather you belong to TELANGANA or AP.
you can refer the below link to know further details in EAMCET:
AP EAMCET College Predictor - Know your College Admission Chances Base ...
TS EAMCET College Predictor - Know your College Admission Chances Base ...
Hope you find the answer.
All the best !
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