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Tuesday, 03 November 2026
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Mathematics Past Questions and Answers

Jamb 2012 Mathematics Questions

Question 16:
Find the range of values of m which satisfy (m - 3)(m - 4) < 0
  • A 2 < m < 5
  • B -3 < m < 4
  • C 3 < m < 4
  • D -4 < m < 3
View Answer & Explanation
Question 17:
The nth term of a sequence is n2 - 6n - 4. Find the sum of the 3rd and 4th terms.
  • A 24
  • B 23
  • C -24
  • D -25
View Answer & Explanation
Question 18:
The sum to infinity of a geometric progression is \(-\frac{1}{10}\) and the first term is \(-\frac{1}{8}\). Find the common ratio of the progression.
  • A \(-\frac{1}{5}\)
  • B \(-\frac{1}{4}\)
  • C \(-\frac{1}{3}\)
  • D \(-\frac{1}{2}\)
View Answer & Explanation
Question 19:
The binary operation * is defined on the set of integers such that p * q = pq + p - q. Find 2 * (3 * 4)
  • A 11
  • B 13
  • C 15
  • D 22
View Answer & Explanation
Question 20:
The binary operation on the set of real numbers is defined by m*n = \(\frac{mn}{2}\) for all m, n \(\in\) R. If the identity element is 2, find the inverse of -5
  • A \(-\frac{4}{5}\)
  • B \(-\frac{2}{5}\)
  • C 4
  • D 5
View Answer & Explanation