Mathematics 1986 Jamb Past Questions and Answers

Question 11 :

• JAMB 1986

A number of pencils were shared out among Bisi, Sola and Tunde in the ratio of 2 : 3 : 5 respectively. If Bisi got 5, how many were share out?

A. 15
B. 25
C. 30
D. 50

Question 12 :

• JAMB 1986

The ages of Tosan and Isa differ by 6 and the product of their ages is 187. Write their ages in the form (x, y), where x > y.

A. (12, 6)
B. (23, 17)
C. (17, 11)
D. (18, 12)

Question 13 :

• JAMB 1986

In 1984, Ike was 24 yrs old and his father was 45 yrs old. In what year was Ike exactly half his father's age?

A. 1981
B. 1979
C. 1982
D. 1978

Question 14 :

• JAMB 1986

Simplify \((\frac{1}{\sqrt{5} + \sqrt{3}} - \frac{1}{\sqrt{5} - \sqrt{3}}) \times \frac{1}{\sqrt{3}}\)

A. \(\frac{\sqrt{3}}{\sqrt{5}}\)
B. \(\frac{2 \sqrt{3}}{7}\)
C. -2
D. -1

Question 15 :

• JAMB 1986

Find n if log\(_{2}\) 4 + log\(_{2}\) 7 - log\(_{2}\) n = 1

A. 10
B. 14
C. 27
D. 28