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Friday, 06 November 2026
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Mathematics Past Questions and Answers

Jamb 1983 Mathematics Questions

Question 16:
Find x if (x\(_4\))\(^2\) = 100100\(_2\)
  • A 6
  • B 12
  • C 100
  • D 210
  • E 110
View Answer & Explanation
Question 17:
Simplify log10 a\(\frac{1}{3}\) + \(\frac{1}{4}\)log10 a - \(\frac{1}{12}\)log10a7
  • A 1
  • B \(\frac{7}{6}\)log<sub style='font-size: smaller;'>10</sub> a
  • C Zero
  • D 10
View Answer & Explanation
Question 18:
If w varies inversely as V and U varies directly as w3, Find the relationship between u and v given that u = 1, when v = 2
  • A U = \(\frac{8}{v^3}\)
  • B V = \(\frac{8}{u^2v^3}\)
  • C U = 8v<sup style='font-size: smaller;'>3</sup>
  • D V = 8u<sup style='font-size: smaller;'>2</sup>
View Answer & Explanation
Question 19:
Solve the simultaneous equations for x in x2 + y - 8 = 0, y + 5x - 2 = 0
  • A -28, 7
  • B 6, -28
  • C 6, -1
  • D -1, 7
  • E 3, 2
View Answer & Explanation
Question 20:
Find the missing value in the following table \(\begin{array}{c|c} x & -2 & -1 & 0 & 1 & 2 & 3 \\ \hline Y = x^3 - x + 3 & & 3 & 3 & 3 & 9 & 27\end{array}\)
  • A -3
  • B 3
  • C -9
  • D 13
  • E 9
View Answer & Explanation