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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 56:
Rationalize \(\frac{2\sqrt{3} + 3 \sqrt{2}}{3\sqrt{2} - 2 \sqrt{3}}\)
  • A 5 - 2\(\sqrt{6}\)
  • B 5 + 2\(\sqrt{6}\)
  • C 5\(\sqrt{6}\)
  • D 5
View Answer & Explanation
Question 57:
If w varies inversely as \(\frac{ur}{u + r}\) and is equal to 8 when
u = 2 and r = 6, find a relationship between u, v, w.
  • A Urw = 16(u + v)
  • B 16ur = 3w(u + v)
  • C Urw = 12(u + v)
  • D 12urw = u + v
View Answer & Explanation
Question 58:
Find the positive number n, such that thrice its square is equal to twelve times the number
  • A 1
  • B 2
  • C 3
  • D 4
View Answer & Explanation
Question 59:
Solve without using tables log5(62.5) - log5(\(\frac{1}{2}\))
  • A 3
  • B 4
  • C 5
  • D 8
View Answer & Explanation
Question 60:
The mean of twelve positive numbers is 3. When another number is added, the mean becomes 5. Find the thirteenth number
  • A 29
  • B 26
  • C 25
  • D 24
View Answer & Explanation