Skip to content
GATEiit

GATE CSE 2023 Q24: Closure of language classes under intersection

Question

Which of the following statements is/are CORRECT?

Try it: multiple select: one or more correct options

Select one or more options
Select all correct options. No negative marking, no partial marks.
Show answer and explanation

Answer: A, C, D (official GATE 2023 final answer key)

Concept used: Closure properties under intersection for the Chomsky hierarchy.

First step: Recall the classic counterexample {anbncm}∩{ambncn}\{a^nb^nc^m\} \cap \{a^mb^nc^n\} for context-free languages.

Full step-by-step solution

Detailed working, common mistakes and linked mock tests will be available with a free GATEiit account. Log-in is coming soon.

Share this question

WhatsAppDownload image

Source: official GATE 2023 CS question paper and final answer key, organised by IIT Kanpur. Question paper · Answer key

More Theory of Computation PYQs

PracticePractise Theory of Computation questions →Full paperAll GATE CSE 2023 questions →