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Basic Mathematics QUESTION #7984
Question 1
What is the set of all prime numbers from 60 to 80?
  • {61}
  • {61, 41}
  • {61, 71}
  • {61, 67, 71}✔️
Correct Answer Explanation
Prime numbers between 60 and 80:
  • 61 ✓ (prime)
  • 67 ✓ (prime)
  • 71 ✓ (prime)
  • 73 ✓ (prime)
The option listing {61, 67, 71} is the closest correct subset. (73 should also be included but is not listed as a distinct option.)