Mathematics 1988 Jamb Past Questions and Answers

Question 16 :

• 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

Question 17 :

• JAMB 1988

\(\begin{array}{c|c} Scores(x) & 0 & 1 & 2 & 3 & 4 & 5 & 6 \\ \hline Frequency(f) & 7 & 11 & 6 & 7 & 7 & 5 & 3\end{array}\)
In the distribution above, the mode and median respectively are

A. 1,3
B. 1, 2
C. 3, 3
D. 0, 2

Question 18 :

• JAMB 1988

if x is the addition of the prime numbers between 1 and 6; and y the H.C.F. of 6, 9, 15. Find the product of x and y

A. 27
B. 30
C. 33
D. 90

Question 19 :

• JAMB 1988

Four interior angles of a pentagon are 90^o - x^o, 90^o + x^o, 110^o - 2x^o, 110^o + 2x^o. Find the fifth interior angle

A. 110^o
B. 120^o
C. 130^o
D. 140^o

Question 20 :

• JAMB 1988

For which of the following exterior angles is a regular polygon possible? i. 35° ii. 18° iii. 15°

A. I and ii
B. Ii only
C. Ii and iii
D. Iii only