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Thursday, 05 March 2026
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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 36:
If b = a + cp and r = ab + \(\frac{1}{2}\)cp2, express b2 in terms of a, c, r.
  • A B2 = aV + 2cr
  • B B2 = ar + 2c2r
  • C B2 = a2 = \(\frac{1}{2}\) cr2
  • D B2 = \(\frac{1}{2}\)ar2 + c
  • E B2 = 2cr - a2
View Answer & Explanation
Question 37:
Multiply x2 + x + 1 by x2 - x + 1
  • A X4 - x + x2
  • B X4 - x2 + x2
  • C X4 + x2 + 1
  • D X4 + x2
View Answer & Explanation
Question 38:
A baking recipe calls for 2.5kg of sugar and 4.5kg of flour. With this recipe some cakes were baked using 24.5kg of a mixture of sugar and flour. How much sugar was used?
  • A 12.25kg
  • B 6.75kg
  • C 8.75kg
  • D 15.75kg
  • E 8.25kg
View Answer & Explanation
Question 39:
The difference between 4\(\frac{5}{7}\) and 2\(\frac{1}{4}\) greater by
  • A \(\frac{23}{28}\)
  • B \(\frac{24}{28}\)
  • C \(\frac{50}{56}\)
  • D \(\frac{27}{28}\)
  • E \(\frac{48}{56}\)
View Answer & Explanation
Question 40:
What is the size of an exterior angle of a regular pentagon?
  • A 36o
  • B 60o
  • C 72o
  • D 120o
  • E 360o
View Answer & Explanation