Jamb Mathematics 1988 Past Questions and Answers

Question 26:

• JAMB 1988

Evaluate \(\frac{8^{\frac{1}{3}} \times 5^{\frac{2}{3}}}{10^{\frac{2}{3}}}\) = \(\frac{8^{\frac{1}{3}} \times 5^{\frac{2}{3}}}{10^{\frac{2}{3}}}\)

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

Question 27:

• JAMB 1988

If \(log_{10} 2 = 0.3010\) and \(log_{10} 3 = 0.4771\), evaluate; without using logarithm tables, \(log_{10} 4.5\)

A. 0.3010
B. 0.4771
C. 0.6532
D. 0.9542

Question 28:

• JAMB 1988

Find m such that (m + \(\sqrt{3}\))(1 - \(\sqrt{3}\))² = 6 - 2\(\sqrt{2}\)

A. 1
B. 2
C. 3
D. 4

Question 29:

• JAMB 1988

The thickness of an 800 pages of book is 18mm. Calculate the thickness of one leaf of the book giving your answer in meters and in standard form

A. 2.25 x 10^-4m
B. 50 x 10^-4m
C. 2.25 x 10^-5m
D. 4.50 x 10^-5m

Question 30:

• JAMB 1988

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

A. \(\frac{3}{x + 1}\)
B. \(\frac{3x + 2}{(x + 1)(x + 2)}\)
C. \(\frac{5x + 6}{(x + 1)(x + 2)}\)
D. \(\frac{2x^2 + 5x + 2}{(x + 1)(x + 2)}\)