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Given that ξ = {1, 2, 3, . . . . . . ,10}, P=...

Mathematics
WAEC 2004

Given that ξ = {1, 2, 3, . . . . . . ,10}, P= (x : x is prime) and Q = {y : y is odd}, find P'∩Q

  • A. {2}
  • B. {1,9}
  • C. {315.7}
  • D. {4, 6, 8, 10}
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Correct Answer: Option B
Explanation

ξ = {1, 2, 3, . . . . . . ,10}, P = (2, 3, 5, 7) and Q = {1, 3, 5, 7, 9},
P'∩Q = {1, 4, 6, 8, 9, 10}∩{1, 3, 5, 7, 9} = {1, 9}


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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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