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.
- A. \(\frac{1}{2}\)X
- B. X-\(\frac{1}{4}\)
- C. X-\(\frac{1}{3}\)
- D. X-\(\frac{1}{2}\)
Question 2
Find the value of X if \(\frac{\sqrt{2}}{x+\sqrt{2}}=\frac{1}{x-\sqrt{2}}\)
- A. 3√2+4
- B. 3√2-4
- C. 3-2√2
- D. 4+2√2
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?
- A. (5/2)
- B. -(5/4)
- C. -(25/4)
- D. -10
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.
- A. 30% gain
- B. 25% gain
- C. 30% loss
- D. 25% loss
Question 5
What is the answer when 2434\(_6\) is divided by 42\(_6\)?
- A. 23\(_6\)
- B. 35\(_6\)
- C. 52\(_6\)
- D. 55\(_6\)