Jamb Mathematics 1993 Past Questions and Answers

Question 1:

• JAMB 1993

Integrate \(\frac{1 - x}{x^3}\) with respect to x

A. \(\frac{x - x^2}{x^4}\) + k
B. \(\frac{4}{x^4} - \frac{3 + k}{x^3}\)
C. \(\frac{1}{x} - \frac{1}{2x^2}\) + k
D. \(\frac{1}{3x^2} - \frac{1}{2x}\) + k

Question 2:

• JAMB 1993

Integrate \(\frac{1 - x}{x^3}\) with respect to x

A. \(\frac{x - x^2}{x^4}\) + k
B. \(\frac{4}{x^4} - \frac{3 + k}{x^3}\)
C. \(\frac{1}{x} - \frac{1}{2x^2}\) + k
D. \(\frac{1}{3x^2} - \frac{1}{2x}\) + k

Question 3:

• JAMB 1993

change 71₁₀ to base 8

A. 107₈
B. 106₈
C. 71₈
D. 17₈

Question 4:

• JAMB 1993

Evaluate \(\frac{3524}{0.05}\) correct to 3 significant figures

A. 705
B. 70,000
C. 70, 480
D. 70, 500

Question 5:

• JAMB 1993

If 9^{(x - \(\frac{1}{2}\))} 3x²

A. \(\frac{1}{2}\)
B. 1
C. 2
D. 3