Question:
Which of these numbers are prime numbers: 7, 8, 9, 10, 11, 12, 13, 14?
Answer:
7, 11, 13.
Try another Brain Teaser:
A farmer has seventeen sheep. All but nine of them die. How many sheep does he have left?
Which of these numbers are prime numbers: 7, 8, 9, 10, 11, 12, 13, 14?
7, 11, 13.
A farmer has seventeen sheep. All but nine of them die. How many sheep does he have left?