Sets - Jamb Mathematics Past Questions and Answers

Question 56:

• JAMB 2014

If P = {1,2,3,4,5} and P \(\cup\) Q = {1,2,3,4,5,6,7}, list the elements in Q

A. {6}
B. {7}
C. {6,7}
D. {5,6}

Question 57:

• JAMB 2014

From the venn diagram above, the shaded parts represent

A. (P\(\cap\)Q)\(\cup\)(P\(\cap\)R)
B. (P\(\cup\)Q)\(\cap\)(P\(\cap\)R)
C. (P\(\cup\)Q)\(\cup\)(P\(\cup\)R)
D. (P\(\cap\)Q)\(\cup\)(P\(\cup\)R)

Question 58:

• JAMB 2015

X and Y are two sets such that n(X) = 15, n(Y) = 12 and n{X ∩ Y} = 7. Find ∩{X ∪ Y}

A. 21
B. 225
C. 15
D. 20

Question 59:

• JAMB 2015

Given that A = {1, 5, 7}
B = {3, 9, 12, 15}
C = {2, 4, 6, 8}
Find (A ∪ B) ∪ C

A. {1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15}
B. {1, 2, 3, 5, 6, 8, 12, 15}
C. {2, 4, 5, 9, 12, 15}
D. {1, 5, 6, 7, 8, 9, 12, 15}

Question 60:

• JAMB 2015

Given that A = {3, 4, 1, 10, 1/3 }
B = {4, 3 1/3, 1/3, 7}.
Find A∩B

A. {}
B. {1/3, 1, 2}
C. {3, 4, 1/3}
D. {1, 3, 1/3}