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Thursday, 23 April 2026
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Mathematics Past Questions and Answers

Neco Mathematics Questions

Question 146:
Rationalize the expression \(\frac{(7 - \sqrt{3})}{(13 - \sqrt{3})}\)
  • A (44 + 3\(\sqrt{3}\)) ÷ 83
  • B (44 + 2\(\sqrt{3}\)) ÷ 83
  • C (44 - 3\(\sqrt{3}\)) ÷ 83
  • D (44 - 4\(\sqrt{3}\)) ÷ 83
  • E (44 - 2\(\sqrt{3}\)) ÷ 83
View Answer & Explanation
Question 147:
In proving the congruence of two triangles, which of the following is not important?
  • A Two sides and the included angles
  • B Two angles and a side
  • C Three sides
  • D Three angles
  • E Right angle, hypotenuse and another side
View Answer & Explanation
Question 148:
Bello chooses a number randomly from 1 to 10. What is the probability that it is either odd or prime?
  • A \(\frac{1}{10}\)
  • B \(\frac{2}{5}\)
  • C \(\frac{1}{2}\)
  • D \(\frac{3}{5}\)
  • E \(\frac{9}{10}\)
View Answer & Explanation
Question 149:
If tan α = \(\frac{1}{2}\) and tan β = \(\frac{1}{3}\) and both α and β are acute, find tan (α + β).
  • A 0.015
  • B 1
  • C 10
  • D 39.81
  • E 45
View Answer & Explanation
Question 150:
Multiply (3\(\sqrt{a}\) - 4a) by (4a + 3\(\sqrt{a}\))
  • A 9a + 16a2
  • B 9a – 16a2
  • C 3a + 16a2
  • D 3a - 16a2
  • E A - 16a2
View Answer & Explanation