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S = {1, 2, 3, 4, 5, 6}, T = {2,4,5,7} and R = {1,4, 5},...

Mathematics
WAEC 1993

S = {1, 2, 3, 4, 5, 6}, T = {2,4,5,7} and R = {1,4, 5}, and (S∩T) ∪ R

  • A. {1, 4, 5}
  • B. {2, 4, 5}
  • C. {1, 2, 4, 5}
  • D. {2, 3, 4, 5}
  • E. {1, 2, 3, 4, 5}
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Correct Answer: Option C
Explanation

S = {1, 2, 3, 4, 5, 6};  T = {2, 4, 5, 7}; R = {1, 4, 5}

(S∩T) ∪ R = {2, 4, 5}  ∪ {1, 4, 5}

= {1, 2, 4, 5}


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JAMB CBT Mobile App 2025 - Free Download
JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!
JAMB CBT Software 2025 - Free Download
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
JAMB CBT Software 2025 - Free Download
JAMB CBT Mobile App 2025 - Free Download