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Monday, 20 April 2026
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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 2491:
Let '*' and '^' be two binary operations such that a * b = a\(^2\)b and a ^ b = 2a + b. Find (-4 * 2) ^ (7 * -1).
  • A -49
  • B 64
  • C 113
  • D 15
View Answer & Explanation
Question 2492:
Evaluate \(\int_0^1 4x - 6\sqrt[3] {x^2}dx\)
  • A - \(\frac{5}{8}\)
  • B - \(\frac{8}{5}\)
  • C \(\frac{8}{5}\)
  • D \(\frac{5}{8}\)
View Answer & Explanation
Question 2493:
The population of a village decreased from 1,230 to 1,040 due to breakout of an epidemic. What is the percentage decrease in the population?
  • A 15.44%
  • B 15.43%
  • C 15.42%
  • D 15.45%
View Answer & Explanation
Question 2494:
The interior angle of a regular polygon is five times the size of its exterior angle. Identify the polygon.
  • A Dodecagon
  • B Enneadecagon
  • C Icosagon
  • D Hendecagon
View Answer & Explanation
Question 2495:
The area A of a circle is increasing at a constant rate of 1.5 cm\(^2s^{-1}\). Find, to 3 significant figures, the rate at which the radius r of the circle is increasing when the area of the circle is 2 cm\(^2\).
  • A 0.200 cms\(^{-1}\)
  • B 0.798 cms\(^{-1}\)
  • C 0.300 cms\(^{-1}\)
  • D 0.299 cms\(^{-1}\)
View Answer & Explanation