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Friday, 14 August 2026
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Mathematics Past Questions and Answers

Topic: Sets

Jamb Mathematics Questions - Sets

Question 1:
In a class of 50 students, 40 students offered Physics and 30 offered Biology. How many offered both Physics and Biology?
  • A 42
  • B 20
  • C 70
  • D 54
View Answer & Explanation
Question 2:
Find the length of the chord |AB| in the diagram shown above.
  • A 4.2 cm
  • B 4.3 cm
  • C 3.2 cm
  • D 3.4 cm
View Answer & Explanation
Question 3:
If the universal set μ = {x : 1 ≤ x ≤ 20} and
A = {y : multiple of 3}
B = |z : odd numbers}
Find A ∩ B
  • A {1, 3, 6}
  • B {3, 5, 9, 12}
  • C {3, 9, 15}
  • D {2, 3, 9}
View Answer & Explanation
Question 4:
If P = [\(\frac{Q(R - T)}{15}\)] \(\frac{1}{3}\) make T the subject of the relation
  • A T = \(\frac{R + P^3}{15Q}\)
  • B T = \(\frac{R - 15P^3}{Q}\)
  • C T = \(\frac{R - 15P^3}{Q}\)
  • D T = \(\frac{15R - Q}{P^3}\)
View Answer & Explanation
Question 5:
Which one of the following gives the members of the set A1 n B n C?
  • A Φ
  • B {s}
  • C {t, u}
  • D {y, z}
View Answer & Explanation