Multiples and Primes

- 1. Which of the following are multiples of 3
A) 6,12,18,36 B) 9,12,16,18 C) 15,33,19,24 D) 6,15,21,29 - 2. Which of the following are multiples of 6
A) 63,24,36,12 B) 18,56,66,60 C) 48,24,54,26 D) 18,30,42,72, - 3. Which of the following are multiples of both 4 and 3
A) 12,36,24,48 B) 12,40,36,28 C) 16,36,24,42 D) 7,24,18,32 - 4. Which of the following are multiples of both 5 and 3
A) 15,30,60,45 B) 25,33,15,60 C) 16,45,30,90 D) 45,60,10,35 - 5. Prime or Composite? 23
A) Neither B) Prime C) Composite - 6. Prime or Composite? 9
A) Neither B) Composite C) Prime - 7. Prime or Composite? 2
A) Prime B) Neither C) Composite - 8. Prime or Composite? 1
A) Composite B) Neither C) Prime - 9. Which of the following are all composite?
A) 29,27,55,42 B) 81,53,21,72 C) 15,63,54,63 D) 18,37,56,91 - 10. Which of the following are all primes?
A) 39,49,69,29 B) 91,29,89,37 C) 27,73,81,47 D) 51,56,65,71 |

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