Jamb Mathematics Past Questions For Year 1989
Question 1
Which of the following is in descending order?
- A. \(\frac{9}{10} \frac{4}{5} \frac{3}{4} \frac{17}{20}\)
- B. \(\frac{4}{5} \frac{9}{10} \frac{3}{4} \frac{17}{20}\)
- C. \(\frac{9}{10} \frac{17}{20} \frac{4}{5} \frac{3}{4}\)
- D. \(\frac{4}{5} \frac{9}{10} \frac{17}{20} \frac{3}{4}\)
Question 2
Evaluate 2700 000 x 0.03 ÷ 18 000
- A. 4.5 x 100
- B. 4.5 x 101
- C. 4.5 x 102
- D. 4.5 x 103
Question 3
The prime factors of 2520 are
- A. 2, 9, 5
- B. 2, 9, 7
- C. 2, 3, 5, 7
- D. 2, 3, 7, 9
Question 4
If \(12_{e} = X_{7}\), where e = 12, find X.
- A. 20
- B. 15
- C. 14
- D. 12
Question 5
Simplify \(\sqrt[3]{(64r^{-6})^{\frac{1}{2}}}\)
- A. \(\frac{r}{2}\)
- B. 2r
- C. \(\frac{1}{2r}\)
- D. \(\frac{2}{r}\)
