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Monday, 20 April 2026
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Mathematics Past Questions and Answers

Jamb 2019 Mathematics Questions

Question 41:
If 2\(^{x + y}\) = 16 and 4\(^{x - y} = \frac{1}{32}\), find the values of x and y.
  • A X = \(\frac{3}{4}\), y = \(\frac{11}{4}\)
  • B X = \(\frac{3}{4}\), y = \(\frac{13}{4}\)
  • C X = \(\frac{2}{3}\), y = \(\frac{4}{5}\)
  • D X = \(\frac{2}{3}\), y = \(\frac{13}{4}\)
View Answer & Explanation
Question 42:
Simplify \(\frac{0.0839 \times 6.381}{5.44}\) to 2 significant figures.
  • A 0.2809
  • B 2.51
  • C 3.5
  • D 0.098
View Answer & Explanation
Question 43:
Find the value of x and y in the simultaneous equation: 3x + y = 21; xy = 30
  • A X = 3 or 7, y = 12 or 8
  • B X = 6 or 1, y = 11 or 5
  • C X = 2 or 5, y = 15 or 6
  • D X = 1 or 5, y = 10 or 7
View Answer & Explanation
Question 44:
Points X and Y are 20km North and 9km East of point O, respectively. What is the bearing of Y from X? Correct to the nearest degree.
  • A 24°
  • B 56°
  • C 127°
  • D 156°
View Answer & Explanation
Question 45:
If \(P = (\frac{Q(R - T)}{15})^{\frac{1}{3}}\), make T the subject of the formula.
  • A \(T = \frac{15R - Q}{P^3}\)
  • B \(T = R - \frac{15P^3}{Q}\)
  • C \(T = \frac{R - 15P^3}{Q}\)
  • D \(T = \frac{R + P^3}{15Q}\)
View Answer & Explanation