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Given that the universal set U={14,15,16,17,18,19,20}, J ={16,19,20} and K= {14,15,18}, find (J' ∩ K')1.

Mathematics
NECO 2002

Given that the universal set U={14,15,16,17,18,19,20}, J ={16,19,20} and K= {14,15,18}, find (J' ∩ K')1.

  • A. {17}
  • B. {16, 17, 19, 20}
  • C. {1, 4, 15, 17, 18}
  • D. {14, 15, 16, 18, 19, 20}
  • E. {14, 15, 16, 17, 18, 19, 20}
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Correct Answer: Option D
Explanation

U = {14,15,16,17,18,19,20}

J' = {14,15,17,18}

K' = {16,17,19,20}

(J' \(\cap\) K') = {17}

(J' \(\cap\) K')' = {14,15,16,18.19,20}


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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts