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Sunday, 02 August 2026
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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 211:
If \(f(x) = 3x^3 + 4x^2 + x - 8\), what is the value of f(-2)?
  • A -24
  • B 30
  • C -18
  • D -50
View Answer & Explanation
Question 212:
Tade bought 200 mangoes at 4 for #2.50. 30 out of the mangoes got spoilt and the remaining were sold at 2 for #2.40. Find the percentage profit or loss.
  • A 43.6% loss
  • B 35% profit
  • C 63.2% profit
  • D 28% loss
View Answer & Explanation
Question 213:
In the diagram above, O is the centre of the circle ABC, < ABO = 26° and < BOC = 130°. Calculate < AOC.
  • A 26°
  • B 13°
  • C 80°
  • D 102°
View Answer & Explanation
Question 214:
If the volume of a frustrum is given as \(V = \frac{\pi h}{3} (R^2 + Rr + r^2)\), find \(\frac{\mathrm d V}{\mathrm d R}\).
  • A \(\frac{\pi h}{3} (2R + r)\)
  • B \(2R + r + \frac{\pi h}{3}\)
  • C \(\frac{\pi h}{3} (2R^2 + r + 2r)\)
  • D \(\frac{2R^2}{3} \pi h\)
View Answer & Explanation
Question 215:
If \(25^{1 - x} \times 5^{x + 2} \div (\frac{1}{125})^{x} = 625^{-1}\), find the value of x.
  • A X = -4
  • B X = 2
  • C X = -2
  • D X = 4
View Answer & Explanation