Jamb Mathematics Past Questions and Answers

Question 731:

• JAMB 1983

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:

• JAMB 1983

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:

• JAMB 1983

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:

• JAMB 1983

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

A. 6
B. 12
C. 100
D. 210
E. 110

Question 735:

• JAMB 1983

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