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Question 120Asked in CIL MT Systems, 24 Aug 2026 (3:00 PM, CBT-26)

In the grammar S→aS∣bS∣ϵ, which strings belong to the language?

  1. AOnly “ab” and “ba”
  2. BAny string of a’s and b’s
  3. COnly “a” and “b”
  4. Dstring of “ab” or “ba”
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Correct answer: (B) Any string of a’s and b’s

From CIL MT Systems PYQ, 24 Aug 2026 (3:00 PM, CBT-26)

This is question 120 of CIL MT Systems PYQ, 24 Aug 2026 (3:00 PM, CBT-26). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.