Jamb Mathematics Past Questions For Year 1988

Question 26

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

jamb 1988

  • A. 0.3010
  • B. 0.4771
  • C. 0.6532
  • D. 0.9542
View Answer and Explanation

Question 27

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

jamb 1988

  • A. 1
  • B. 2
  • C. 3
  • D. 4
View Answer and Explanation

Question 28

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

jamb 1988

  • A. 2.25 x 10-4m
  • B. 50 x 10-4m
  • C. 2.25 x 10-5m
  • D. 4.50 x 10-5m
View Answer and Explanation

Question 29

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

jamb 1988

  • A. \(\frac{3}{x + 1}\)
  • B. \(\frac{3x + 2}{(x + 1)(x + 2)}\)
  • C. \(\frac{5x + 6}{(x + 1)(x + 2)}\)
  • D. \(\frac{2x^2 + 5x + 2}{(x + 1)(x + 2)}\)
View Answer and Explanation

Question 30

Solve the following equation equation for \(x^2 + \frac{2x}{r^2} + \frac{1}{r^4}\) = 0

jamb 1988

  • A. r2
  • B. \(\frac{1}{r^4}\)
  • C. -\(\frac{1}{r^2}\)
  • D. 1 - r
View Answer and Explanation