Jamb Mathematics 1999 Past Questions and Answers

Question 1:

• JAMB 1999

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:

• JAMB 1999

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:

• JAMB 1999

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:

• JAMB 1999

If {(a²b^-3c)^3/4/a^-1b⁴c⁵} = a^pb^qc^r; what is the value of p+2q?

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

Question 5:

• JAMB 1999

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