Mathematics Past Questions and Answers

Simplify \(\frac{x - 7}{x^2 - 9}\) x \(\frac{x^2 - 3x}{x^2 - 49}\)

A \(\frac{x}{(x - 3)(x - 7)}\)
B \(\frac{x}{(x + 3)(x - 7)}\)
C \(\frac{x}{(x + 3)(x + 7)}\)
D \(\frac{x}{(x - 3)(x + 7)}\)

Question 732:

The lengths of the sides of a right angled triangle are (3x + 1)cm, (3x - 1)cm and xcm. Find x

A 2
B 6
C 18
D 12
E 5

Question 733:

The scores of set of final year students in the first semester examination in a paper are 41, 29, 55, 21, 47, 70, 70, 40, 43, 56, 73, 23, 50, 50. Find the median of the scores.

A 47
B 50
C 48\(\frac{1}{2}\)
D 48
E 49

Question 734:

Find x if (x\(_4\))\(^2\) = 100100\(_2\)

A 6
B 12
C 100
D 210
E 110

Question 735:

Simplify log¹⁰ a^{\(\frac{1}{3}\)} + \(\frac{1}{4}\)log₁₀ a - \(\frac{1}{12}\)log₁₀a⁷

A 1
B \(\frac{7}{6}\)log₁₀ a
C Zero
D 10