Search SchoolNGR

Friday, 14 August 2026
Register . Login

Mathematics Past Questions and Answers

Topic: Multiplication of matrices

Jamb Mathematics Questions - Multiplication of matrices

Question 1:
\(\begin{array}{c|c} \oplus mod 10 & 2 & 4 & 6 & 8 \\ \hline 2 & 4 & 8 & 2 & 6 \\4 & 8 & 6 & 4 & 2\\ 4 & 8 & 6 & 4 & 2\\ 6 & 2 & 4 & 6 & 8\\ 8 & 6 & 2 & 8 & 4\end{array}\)
The multiplication table above has modulo 10 on the set S = (2, 4, 6, 8). Find the inverse of 2
  • A 2
  • B 4
  • C 6
  • D 8
View Answer & Explanation