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If p = {prime factors of 210} and Q = {prime less than 10}, find...

Mathematics
WAEC 2012

If p = {prime factors of 210} and Q = {prime less than 10}, find p \(\cap\) Q
  • A. {1,2, 3}
  • B. {2, 3, 5}
  • C. {1, 3, 5,7}
  • D. {2,3,5,7}
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Correct Answer: Option D
Explanation
prime factor of 210 = 2, 3, 5, 7

prime numbers less than 10 = 2, 3, 5 , 7

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