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Mathematics 2012 JAMB Past Questions

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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 & Discuss (4) JAMB 2012
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 & Discuss JAMB 2012
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 & Discuss JAMB 2012
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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 & Discuss JAMB 2012
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 & Discuss JAMB 2012
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