Jamb Mathematics Past Questions For Year 1992
Question 11
Solve the equation: \(y - 11\sqrt{y} + 24 = 0\)
- A. 8, 3
- B. 64, 9
- C. 6, 4
- D. 9, -8
Question 12
Make t the subject of formula S = ut + \(\frac{1}{2} at^2\)
- A. \(\frac{1}{a}\) (-u + \(\sqrt{U^2 - 2as}\))
- B. \(\frac{1}{a}\) {u \(\pm\) (U2 - 2as)}
- C. \(\frac{1}{a}\) {u \(\pm\) \(\sqrt{2as}\)}
- D. \(\frac{1}{a}\) {-u + \(\sqrt{( 2as)}\)}
Question 13
A man invested a sum of N280.00 partly at 5% and partly at 4%. if the total interest is N12.80 per annum, find the amount invested at 5%
- A. 14.00
- B. 120.00
- C. 140.00
- D. 160.00
Question 14
If x + 1 is a factor of \(x^3+ 3x^2+ kx + 4\), find the value of k
- A. 6
- B. -6
- C. 8
- D. -8
Question 15
Resolve \(\frac{3}{x^2 + x - 2}\) into partial fractions
- A. \(\frac{1}{x - 1} - \frac{1}{x + 2}\)
- B. \(\frac{1}{x + 1} + \frac{1}{x - 2}\)
- C. \(\frac{1}{x + 1} - \frac{1}{x - 2}\)
- D. \(\frac{1}{x - 2} + \frac{1}{x + 2}\)
