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Tuesday, 21 April 2026
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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 2521:
Find the matrix A

A \(\begin {bmatrix} 0 & 1\\2 & -1 \end {bmatrix}\) = \(\begin {bmatrix} 2 & -1\\1 & 0 \end {bmatrix}\)

  • A \(\begin {bmatrix} 2 & 1\\-^1/_2 & -^1/_2 \end {bmatrix}\)
  • B \(\begin {bmatrix} 0 & 1\\^1/_2 & ^1/_2 \end {bmatrix}\)
  • C \(\begin {bmatrix} 2 & 1\\0 & -1 \end {bmatrix}\)
  • D \(\begin {bmatrix} 2 & 1\\^1/_2 & -2 \end {bmatrix}\)
View Answer & Explanation
Question 2522:
How many students scored at least 25%
  • A 16
  • B 19
  • C 3
  • D 8
View Answer & Explanation
Question 2523:
If \(-2x^3 + 6x^2 + 17x\) - 21 is divided by \((x + 1)\), then the remainder is
  • A 32
  • B 30
  • C -30
  • D -32
View Answer & Explanation
Question 2524:
Let a binary operation '*' be defined on a set A. The operation will be commutative if
  • A A*b = b*a
  • B (a*b)*c = a*(b*c)
  • C (b ο c)*a = (b*a) ο (c*a)
  • D None of the above
View Answer & Explanation
Question 2525:
Solve the following quadratic inequality: \(x^2 - x\) - 4 ≤ 2
  • A \(-3 < x < 2\)
  • B \(-2 ≤ x ≤ 3\)
  • C \(x ≤ -2, x ≤ 3\)
  • D \(-2 < x < 3\)
View Answer & Explanation