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Wednesday, 21 October 2026
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Mathematics Past Questions and Answers

Jamb 2011 Mathematics Questions

Question 31:
In a right angled triangle, if tan \(\theta\) = \(\frac{3}{4}\). What is cos\(\theta\) - sin\(\theta\)?
  • A \(\frac{2}{3}\)
  • B \(\frac{3}{5}\)
  • C \(\frac{1}{5}\)
  • D \(\frac{4}{5}\)
View Answer & Explanation
Question 32:
A man walks 100 m due West from a point X to Y, he then walks 100 m due North to a point Z. Find the bearing of X from Z.
  • A 195<sup style='font-size: smaller;'>o</sup>
  • B 135<sup style='font-size: smaller;'>o</sup>
  • C 225<sup style='font-size: smaller;'>o</sup>
  • D 045<sup style='font-size: smaller;'>o</sup>
View Answer & Explanation
Question 33:
The derivatives of (2x + 1)(3x + 1) is
  • A 12x + 1
  • B 6x + 5
  • C 6x + 1
  • D 12x + 5
View Answer & Explanation
Question 34:
\(\begin{array}{c|c} Class Intervals & 0 - 2 & 3 - 5 & 6 - 8 & 9 - 11 & \\ \hline Frequency & 3 & 2 & 5 & 3 &\end{array}\)
Find the mode of the above distribution.
  • A 9
  • B 8
  • C 10
  • D 7
View Answer & Explanation
Question 35:
Find the value of x at the minimum point of the curve y = x3 + x2 - x + 1
  • A \(\frac{1}{3}\)
  • B -\(\frac{1}{3}\)
  • C 1
  • D -1
View Answer & Explanation