JAMB Mathematics 2015 Objective — Question 34
Question 34 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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If P = {1,2,3,4,5} and P∪Q = {1,2,3,4,5,6,7}, list the elements in Q.
- A. {6}
- B. {5,7}
- C. {6,7}Correct
- D. {7}
Explanation
Since P∪Q−P=Q and the extra elements are 6 and 7, Q={6,7}.
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