Paper 1 (B.E./B.Tech) consists of three subjects: Physics, Chemistry, and Mathematics. The paper typically has 90 questions (30 per subject), out of which 75 must be attempted (25 per subject). Each subject has two sections: Section A (20 MCQs, all compulsory) and Section B (10 Numerical Value Questions, attempt any 5). The marking scheme is +4 for a correct answer and -1 for an incorrect answer. Note that negative marking (-1) applies to both MCQs and Numerical Value Questions. Unattempted questions receive 0 marks.