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Tuesday, 21 April 2026
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Mathematics Past Questions and Answers

Jamb 2015 Mathematics Questions

Question 41:
Determine the third term of a geometrical progression whose first and second term are 2 and 54 respectively
  • A 1458
  • B 1485
  • C 1345
  • D 1258
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Question 42:
Given that S and T are sets of real numbers such that S = {x : 0 \(\leq\) x \(\leq\) 5} and T = {x : − 2 < x < 3} Find S \(\cup\) T
  • A −3 < x < \(\leq\)3
  • B −2 < x < \(\leq\)5
  • C 2 < x < \(\geq\) −5
  • D −1 < x \(\geq\) \(\leq\)2
View Answer & Explanation
Question 43:
If an investor invest N450,000 in a certain organization in order to yield X as a return of N25,000. Find the return on an investment of N700,000 by Y in the same organization.
  • A N14,950.50K
  • B N25,150.30K
  • C N15,000.00K
  • D N38,888.90K
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Question 44:
Evaluate log717
  • A 1.35
  • B 1.353
  • C 1.455
  • D 0.455
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Question 45:
100112 + *****2 + 111002 + 1012 = 10011112
  • A 1111<sub style='font-size: smaller;'>2</sub>
  • B 11011<sub style='font-size: smaller;'>2</sub>
  • C 10111<sub style='font-size: smaller;'>2</sub>
  • D 11001<sub style='font-size: smaller;'>2</sub>
View Answer & Explanation