Mathematics 1985 Jamb Past Questions and Answers

Question 6 :

• JAMB 1985

List all integers satisfying the inequality -2 \(\leq\) 2 x -6 < 4

A. 2, 3, 4, 5
B. 2, 3, 4
C. 2, 5
D. 3, 4, 5
E. 4, 5

Question 7 :

• JAMB 1985

Find correct to two decimals places 100 + \(\frac{1}{100}\) + \(\frac{3}{1000}\) + \(\frac{27}{10000}\)

A. 100.02
B. 1000.02
C. 100.22
D. 100.01
E. 100.51

Question 8 :

• JAMB 1985

John gives one-third of his money to Janet who has N105.00. He then finds that his money is reduced to one-fourth of what Janet now has. Find how much money john has at first

A. N45.00
B. N48.00
C. N52.00
D. N60.00
E. N52.00

Question 9 :

• JAMB 1985

Find x if log₉x = 1.5

A. 72.0
B. 27.0
C. 36.0
D. 3.5
E. 24.5

Question 10 :

• JAMB 1985

Write h in terms of a, b, c, d if a = \(\frac{b(1 - ch)}{a - dh}\)

A. H = \(\frac{a - b}{ad}\)
B. H = \(\frac{1 - b}{ad - bc}\)
C. H = \(\frac{(a - b)^2}{ad - bc}\)
D. H = \(\frac{a - b}{ad - bc}\)
E. H = \(\frac{b - a}{ab - dc}\)