Jamb Mathematics Past Questions For Year 1990
Question 16
The perimeter of a rectangular lawn is 24m. If the area of the lawn is \(35m^2\); how wide is the lawn?
- A. 5m
- B. 7m
- C. 12m
- D. 14m
Question 17
A car painter charges N40.00 per day for himself and N10.00 per day for his assistant. if a fleet of cars were painted for N2000.00 and the painter worked 10days more than his assistant, how much did the assistant receive?
- A. N32.00
- B. N320.00
- C. N420.00
- D. N1680.00
Question 18
Simplify \(\frac{x}{x + y}\) + \(\frac{y}{x - y}\) - \(\frac{x^2}{x^2 - y^2}\)
- A. \(\frac{x}{x^2 - y^2}\)
- B. \(\frac{y^2}{x^2 - y^2}\)
- C. \(\frac{x^2}{x^2 - y^2}\)
- D. \(\frac{y}{x^2 - y^2}\)
Question 19
Given that \(x^2+ y^2+ z^2= 194\), calculate z if x = 7 and y= 9
- A. \(\sqrt{10}\)
- B. 8
- C. 12.2
- D. 13.4
Question 20
Find the sum of the first twenty terms of the progression log a, \(\log a^2\), \(\log a^3\).....
- A. \(\log a^{20}\)
- B. \(\log a^{21}\)
- C. \(\log a^{200}\)
- D. \(\log a^{210}\)
