Jamb Mathematics 1995 Past Questions and Answers

Question 16:

• JAMB 1995

Solve the inequality (x - 3)(x - 4) \(\leq\) 0

A. 3 \(\leq\) x \(\leq\) 4
B. 3 < x < 4
C. 3 \(\leq\) x < 4
D. 3 < x \(\leq\) 4

Question 17:

• JAMB 1995

The 4th term of an A.P. is 13 while the 10th term is 31. Find the 21st term.

A. 175
B. 85
C. 64
D. 45

Question 18:

• JAMB 1995

Simplify \(\frac{x^2 - 1}{x^3 + 2x^2 - x - 2}\)

A. \(\frac{1}{x + 2}\)
B. \(\frac{x - 1}{x + 1}\)
C. \(\frac{x - 1}{x + 2}\)
D. \(\frac{1}{x - 2}\)

Question 19:

• JAMB 1995

Express \(\frac{5x - 12}{(x - 2)(x - 3)}\) in partial fractions

A. \(\frac{2}{x + 2} - \frac{3}{x - 3}\)
B. \(\frac{2}{x - 2} + \frac{3}{x - 3}\)
C. \(\frac{2}{x - 3} - \frac{3}{x - 2}\)
D. \(\frac{5}{x - 3} - \frac{4}{x - 2}\)

Question 20:

• JAMB 1995

Which of the following binary operations is cumulative on the set of integers?

A. A \(\ast\) b = a + 2b
B. A \(\ast\) b = a + b - ab
C. A \(\ast\) b = a² + b
D. A \(\ast\) b = \(\frac{a(b + 1)}{2}\)