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Monday, 15 June 2026
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Mathematics Past Questions and Answers

Topic: Indices, Logarithms and Surds

Jamb Mathematics Questions - Indices, Logarithms and Surds

Question 91:
Express the product of 0.00043 and 2000 in standard form.
  • A 8.6 x 10<sup style='font-size: smaller;'>-3</sup>
  • B 8.3 x 10<sup style='font-size: smaller;'>-2</sup>
  • C 8.6 x 10<sup style='font-size: smaller;'>-1</sup>
  • D 8.6 x 10
View Answer & Explanation
Question 92:
Given that A = {1, 5, 7}
B = {3, 9, 12, 15}
C = {2, 4, 6, 8}
Find (A ∪ B) ∪ C
  • A {1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15}
  • B {1, 2, 3, 5, 6, 8, 12, 15}
  • C {2, 4, 5, 9, 12, 15}
  • D {1, 5, 6, 7, 8, 9, 12, 15}
View Answer & Explanation
Question 93:
Given that A = {3, 4, 1, 10, 1/3 }
B = {4, 3 1/3, 1/3, 7}.
Find A∩B
  • A {}
  • B {1/3, 1, 2}
  • C {3, 4, 1/3}
  • D {1, 3, 1/3}
View Answer & Explanation
Question 94:
Given that Z = {1,2,4,5} what is the power of set Z?
  • A 16
  • B 8
  • C 10
  • D 12
View Answer & Explanation
Question 95:
Rationalize 5 ÷ (2 − √3)
  • A 3(2 + √5)
  • B 2(3 + √5)
  • C 5(2 + √3)
  • D 3 √2 + 1
View Answer & Explanation