Jamb Mathematics Past Questions For Year 1999

Question 1

If log 10 to base 8 = X, evaluate log 5 to base 8 in terms of X.

jamb 1999

  • A. \(\frac{1}{2}\)X
  • B. X-\(\frac{1}{4}\)
  • C. X-\(\frac{1}{3}\)
  • D. X-\(\frac{1}{2}\)
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Question 2

Find the value of X if \(\frac{\sqrt{2}}{x+\sqrt{2}}=\frac{1}{x-\sqrt{2}}\)

jamb 1999

  • A. 3√2+4
  • B. 3√2-4
  • C. 3-2√2
  • D. 4+2√2
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Question 3

If \(\frac{(a^2 b^{-3}c)^{\frac{3}{4}}}{a^{-1}b^{4}c^{5}}=a^{p} b^{q} c^{r}\) What is the value of p+2q?

jamb 1999

  • A. (5/2)
  • B. -(5/4)
  • C. -(25/4)
  • D. -10
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Question 4

A trader bought 100 oranges at 5 for N1.20, 20 oranges got spoilt and the remaining were sold at 4 for N1.50. Find the percentage gain or loss.

jamb 1999

  • A. 30% gain
  • B. 25% gain
  • C. 30% loss
  • D. 25% loss
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Question 5

What is the answer when 2434\(_6\) is divided by 42\(_6\)?

jamb 1999

  • A. 23\(_6\)
  • B. 35\(_6\)
  • C. 52\(_6\)
  • D. 55\(_6\)
View Answer and Explanation