Sets - Jamb Mathematics Past Questions and Answers

Question 21:

• 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 22:

• 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 23:

• JAMB 2013

if P = {x:x is odd, \(-1 < x \leq 20\)} and Q is {y:y is prime, \(-2 < y \leq 25\), find P \(\cap\) Q

A. {3,5,7,11,17,19}
B. {3,5,11,13,17,19}
C. {3,5,7,11,13,17,19}
D. {2,3,5,7,11,13,17,19}

Question 24:

• JAMB 1982

A world congress of mathematicians were held in Nice in 1970 with 800 people participating. There were 300 from Europe, 200 from America, 150 from Asia, 45 from Africa and 105 from Australia. Representing the above on a pie chart, the angle of the sector representing the participants from Asia is?

A. 150^o
B. 67\(\frac{1}{2}\)^o
C. 67^o
D. 135^o
E. 68^o

Question 25:

• JAMB 1988

In a class of 150 students, the sector in a pie chart representing the students offering Physics has angle 12^o. How many students are offering Physics?

A. 18
B. 15
C. 10
D. 5