GATE CSE 2026 question papers and answer keys

How to practise with these GATE CSE PYQs

1. Attempt one complete paper in a quiet, timed session before opening the key.
2. Review every incorrect, guessed and skipped response as a concept, method, execution or decision error.
3. Write a corrective action, re-solve the marked questions after revision, and repeat them one week later with fresh problems.

Four useful error categories

• Concept gap: revisit the governing rule and solve two related questions.
• Method gap: identify the condition that selects the shortest valid approach.
• Execution error: redo the calculation or trace with an explicit verification step.
• Decision error: record the wording or time signal that should change your exam choice.