Q. How many prime numbers are there between 1 and 20?

  • (A) 6
  • (B) 7
  • (C) 8
  • (D) 9
✅ Correct Answer: (C) 8
Explanation: Prime numbers: 2,3,5,7,11,13,17,19 → 8 primes.

Published by Ankit Singh ⭐ 8.48K Points at 04-Dec-2025 07:22 am in Math

Explanation by: Ankit Singh
Prime numbers: 2,3,5,7,11,13,17,19 → 8 primes.

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