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Wednesday, 15 April 2026
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Mathematics Past Questions and Answers

Mathematics Questions

Question 71:
Integrate \(\int (4x^{-3} - 7x^2 + 5x - 6) \mathrm d x\).
  • A \(-2x^{-2} - \frac{7}{3}x^3 + \frac{5}{2} x^2 - 6x\)
  • B \(2x^2 + \frac{7}{3} x^3 - 5x + 6\)
  • C \(12x^2 + 14x - 5\)
  • D \(-12x^{-4} - 14x + 5\)
View Answer & Explanation
Question 72:
Find the probability that a number selected at random from 21 to 34 is a multiple of 3
  • A \(\frac{3}{11}\)
  • B \(\frac{2}{9}\)
  • C \(\frac{5}{14}\)
  • D \(\frac{5}{13}\)
View Answer & Explanation
Question 73:
If the 3rd and 7th terms of a G.P are 9 and 1/9 respectively. Find the common ratio.
  • A \(\frac{1}{3}\)
  • B \(\frac{1}{9}\)
  • C \(\frac{2}{3}\)
  • D \(\frac{2}{9}\)
View Answer & Explanation
Question 74:
If the universal set μ = {x : 1 ≤ x ≤ 20} and<br/>A = {y : multiple of 3}<br/>B = |z : odd numbers}<br/>Find A ∩ B
  • A {1, 3, 6}
  • B {3, 5, 9, 12}
  • C {3, 9, 15}
  • D {2, 3, 9}
View Answer & Explanation
Question 75:
In a committee of 5, which must be selected from 4 males and 3 females. In how many ways can the members be chosen if it were to include 2 females?
  • A 144 ways
  • B 15 ways
  • C 185 ways
  • D 12 ways
View Answer & Explanation