JAMB Mathematics Past Questions, Answers & Explanations - Mathematics

Jamb Mathematics Questions

Question 21:

Simplify \(\frac{\sqrt{2}}{\sqrt{3} - \sqrt{2}}\) - \(\frac{3 - 2}{\sqrt{3} + \sqrt{2}}\)

A 2\(\sqrt{2} - \sqrt{3}\)
B 3(\(\sqrt{6}\) - 1)
C \(\sqrt{6}\) - 3
D -\(\frac{1}{2}\)
E \(\frac{-\sqrt{3}}{\sqrt{2} - \sqrt{2}}\)

Question 22:

Solve \(\frac{1}{x + 1}\) - \(\frac{1}{x + 3}\) = \(\frac{1}{4}\)

Question 23:

In \(\bigtriangleup\)XYZ, XY = 3cm, XZ = 5cm and YZ = 7cm. If the bisector of XYZ meets XZ at W, what is the length of XW?

Question 24:

If \(\log_{2} y = 3 - \log_{2} x^{\frac{3}{2}}\), find y when x = 4.

Question 25:

Given that 10x = 0.2 and log102 = 0.3010, find x