NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

Question 286:

• 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 287:

• 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 288:

• 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 289:

• 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 290:

• JAMB 1988

Simplify \(\frac{1}{x^2 + 5x + 6}\) + \(\frac{1}{x^2 + 3x + 2}\)

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