Jamb Mathematics Past Questions For Year 1980
Question 6
When a dealer sells a bicycle for N81 he makes a profit of 8%. What did he pay for the bicycle?
- A. N73
- B. N74.52
- C. N75
- D. N87.48
- E. N75.52
Question 7
The median of the set of numbers 4, 9, 4, 13, 7, 14, 10, 17 is
- A. 13
- B. 7
- C. \(\frac{19}{2}\)
- D. \(\frac{39}{4}\)
- E. 10
Question 8
List all integer values of x satisfying the inequality -1 < 2x - 5 \(\leq\) 5
- A. 3, 4, 5
- B. 2, 3, 4
- C. 3, 4
- D. 2, 3, 4, 5
Question 9
Find the roots of the equation 10x²- 13x - 3 = 0
- A. x = \(\frac{3}{5}\) or -\(\frac{1}{2}\)
- B. x = \(\frac{3}{10}\) or -1
- C. x = \(\frac{3}{10}\) or 1
- D. x = \(\frac{1}{5}\) or \(\frac{-3}{2}\)
- E. x = -\(\frac{1}{5}\) or \(\frac{3}{2}\)
Question 10
A solid cylinder of radius 3cm has a total surface area of 36\(\pi\)cm2. Find its height
- A. 2cm
- B. 3cm
- C. 4cm
- D. 5cm
- E. 6cm
