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Saturday, 13 June 2026
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Mathematics Past Questions and Answers

Topic: Indices, Logarithms and Surds

Jamb Mathematics Questions - Indices, Logarithms and Surds

Question 1:
Rationalize \(\frac{\sqrt{2} + \sqrt{3}}{\sqrt{2} - \sqrt{3}}\)
  • A \(-5 - 2\sqrt{6}\)
  • B \(-5 + 3\sqrt{2}\)
  • C \(5 - 2\sqrt{3}\)
  • D \(5 + 2\sqrt{6}\)
View Answer & Explanation
Question 2:
Given \(\sin 58° = \cos p°\), find p.
  • A 48°
  • B 58°
  • C 32°
  • D 52°
View Answer & Explanation
Question 3:
Given matrix M = \(\begin{vmatrix} -2 & 0 & 4 \\ 0 & -1 & 6 \\ 5 & 6 & 3 \end{vmatrix}\), find \(M^{T} + 2M\)
  • A \(\begin{vmatrix} -4 & 2 & 1\\ 6 & 0 & 5 \\ 0 & 6 & 2 \end{vmatrix}\)
  • B \(\begin{vmatrix} -6 & 0 & 13\\ 0 & -3 & 18 \\ 14 & 18 & 9 \end{vmatrix}\)
  • C \(\begin{vmatrix} 5 & 2 & 6 \\ 0 & 1 & 1\\ 3 & 4 & -7 \end{vmatrix}\)
  • D \(\begin{vmatrix} -4 & 0 & 8 \\ 0 & -2 & -16 \\ 10 & 12 & 6 \end{vmatrix}\)
View Answer & Explanation
Question 4:
If P varies inversely as the square root of q, where p = 3 and q = 16, find the value of q when p = 4.
  • A 12
  • B 8
  • C 9
  • D 16
View Answer & Explanation
Question 5:
If M varies directly as N and inversely as the root of P. Given that M = 3, N = 5 and P = 25. Find the value of P when M = 2 and N = 6.
  • A 36
  • B 63
  • C 47
  • D 81
View Answer & Explanation