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Friday, 06 March 2026
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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 26:
If \(\frac{3e + f}{3f - e}\) = \(\frac{2}{5}\), find the value of \(\frac{e + 3f}{f - 3e}\)
  • A \(\frac{5}{2}\)
  • B 1
  • C \(\frac{26}{7}\)
  • D \(\frac{1}{3}\)
View Answer & Explanation
Question 27:
A world congress of mathematicians were held in Nice in 1970 with 800 people participating. There were 300 from Europe, 200 from America, 150 from Asia, 45 from Africa and 105 from Australia. Representing the above on a pie chart, the angle of the sector representing the participants from Asia is?
  • A 150o
  • B 67\(\frac{1}{2}\)o
  • C 67o
  • D 135o
  • E 68o
View Answer & Explanation
Question 28:
The diameter of a metal rod is measured as 23.40 cm to four significant figures. What is the maximum error in the measurement?
  • A 0.05cm
  • B 0.5cm
  • C 0.045cm
  • D 0.005cm
  • E 0.004cm
View Answer & Explanation
Question 29:
In a regular polygon of n sides, each interior angle is 144o. Find n
  • A 12
  • B 11
  • C 10
  • D 8
  • E 6F
View Answer & Explanation
Question 30:
Simplify \(\frac{3}{2x - 1}\) + \(\frac{2 - x}{x - 2}\)
  • A \(\frac{2 - x}{(2x - 1)(x - 2)}\)
  • B \(\frac{5 - x}{(2x - 1)(x - 2)}\)
  • C \(\frac{4 - 2x}{2x - 1}\)
  • D \(\frac{6 - 3x}{(2x - 1)(x - 2)}\)
View Answer & Explanation