Sets - Jamb Mathematics Past Questions and Answers

Question 46:

• JAMB 2007

Given
P = {1, 3, 5, 7, 9, 11}
and Q = {2, 4, 6, 8, 1, 12}. Determine the relationship between P and Q

A. P∩Q = ∅
B. P ⊂‚ Q
C. Q⊂‚P
D. P = Q

Question 47:

• JAMB 2007

If X = {all the perfect squares less than 40}
Y = {all the odd numbers fro, 1 to 15}. Find X ∩ Y.

A. {3, 9}
B. {9}
C. {9, 25}
D. {1, 9}

Question 48:

• JAMB 2008

If X = {n² + 1:n = 0,2,3} and Y = {n+1:n=2,3,5}, find X∩Y.

A. {1,3}
B. {5,10}
C. ∅
D. {4,6}

Question 49:

• JAMB 2008

A book seller sells Mathematics and English books. If 30 customers buy Mathematics books, 20 customers buy English books and 10 customers buy the two books, How many customers has he altogether.

A. 30
B. 40
C. 50
D. 60

Question 50:

• JAMB 2009

If x = {n²+1:n is a positive integer and 1 \(\leq\) n \(\leq\) 5},
Y = {5n:n is a positive integer and 1 \(\leq\) n \(\leq\) 5}, find x \(\cap\) y.

A. {5,10}
B. {5, 10, 15}
C. {2, 5, 10}
D. {5, 10, 15, 20}