Question 58Asked in CTET February 2026 Paper 1, 8 Feb 2026

How many twin primes are there in the numbers from 1 to 50?1 से 50 तक की संख्याओं में, कितने अभाज्य युग्म हैं?

1 से 50 तक की संख्याओं में, कितने अभाज्य युग्म हैं?
  1. A66
  2. B55
  3. C44
  4. D77
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Correct answer: (A) 66

Explanation

Twin primes from 1 to 50: (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43) — 6 pairs.1 से 50 तक जुड़वाँ अभाज्य: (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43) — कुल 6 युग्म।

From CTET February 2026 Paper 1, 8 Feb 2026 — Previous Year Paper

This is question 58 of CTET February 2026 Paper 1, 8 Feb 2026 — Previous Year Paper. 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.