Jamb Mathematics Questions
Question 6:
Rationalize the denominator of the given expression \(\frac{\sqrt{1 + a} - \sqrt{a}}{1 + a + \sqrt{a}}\)
- A 1 + 2a - 2\(\sqrt{a(1 + a)}\)
- B \(\sqrt{1(1 + a)}\)
- C 2a - 2\(\sqrt{a(1 + a)}\)
- D 1 + 2a - 2\(\sqrt{a + b}\)
Question 7:
When a dealer sells a bicycle for N81 he makes a profit of 80%. What did he pay for the bicycle?
- A N73
- B N74.52
- C N75
- D N87.48
- E N75.52
Question 8:
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 10:
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 \(\frac{3}{2}\)