3 posts.
The GATE 2027 marking scheme: 1 and 2-mark questions, negative marking of 1/3 and 2/3 on wrong MCQs only, no partial marks in MSQ. A fully worked score and when guessing pays.
GATE NAT questions carry no negative marking, so the marks you lose come from avoidable slips: radians, natural logs, units, early rounding and signs. Five worked examples of each mistake, with the right answer.
NEET's +4/-1 marking scheme makes guessing a math problem, not a gut call. Here's the actual expected-value math behind when to guess and when to leave a question blank.