Q. How many prime numbers are there between 20 and 40?

  • (A) 4
  • (B) 5
  • (C) 6
  • (D) 7
✅ Correct Answer: (A) 4
Explanation: Primes: 23, 29, 31, 37 → 4

Published by Krishna Sharma ⭐ 48.52K Points at 30-Nov-2025 08:31 am in Math

Explanation by: Krishna Sharma
Primes: 23, 29, 31, 37 → 4

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