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Tuesday, 21 April 2026
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Mathematics Past Questions and Answers

Jamb 1998 Mathematics Questions

Question 1:
If 10112 + x7 = 2510, solve for X.
  • A 20<sub style='font-size: smaller;'>7</sub>
  • B 14
  • C 20
  • D 24
View Answer & Explanation
Question 2:
Evaluate [\(\frac{1}{0.03}\) \(\div\) \(\frac{1}{0.024}\)]-1 correct to 2 decimal places
  • A 3.76
  • B 1.25
  • C 0.94
  • D 0.75
View Answer & Explanation
Question 3:
If b3 = a-2 and c\(\frac{1}{3}\) = a\(\frac{1}{2}\)b, express c in terms of a
  • A A<sup style='font-size: smaller;'>-\(\frac{1}{2}\)</sup>
  • B A<sup style='font-size: smaller;'>\(\frac{1}{3}\)</sup>
  • C A<sup style='font-size: smaller;'>\(\frac{3}{2}\)</sup>
  • D A<sup style='font-size: smaller;'>\(\frac{2}{3}\)</sup>
View Answer & Explanation
Question 4:
Given that log4(Y - 1) + log4(\(\frac{1}{2}\)x) = 1 and log2(y + 1) + log2x = 2, solve for x and y respectively
  • A 2, 3
  • B 3, 2
  • C -2, -3
  • D -3, -2
View Answer & Explanation
Question 5:
Find the value of k if \(\frac{k}{\sqrt{3} + \sqrt{2}}\) = k\(\sqrt{3 - 2}\)
  • A 3
  • B 2
  • C \(\sqrt{3}\)
  • D \(\sqrt 2\)
View Answer & Explanation