Mathematics Past Questions and Answers

368 mod 7 is

If one puts N1,000.00 for fixed deposit for a year at 10% interest rate and then puts the amount with interest for the next year and repeats it four times. <br/>How much will he collect then at the end of the fourth year?

If at 12% amount interest rate the business man collects N6000.00 interest at the end of the year then how much was the capital he put a fixed deposit.

if \(M=\left(\begin{array}{ccc}1 & 2 & 3 \\ -1 & -3 & -2 \\ 0 & 1 & 0\end{array} \right)\)<br/>find the determinant of matrix \(M\)

Two matrices \(\mathbf{M}\) and \(\mathrm{N}\) are defined by \(M=\left(\begin{array}{ccc}3 & 2 & 1 \\ 4 & 1 & 1 \\ -1 & 2 & 0\end{array} \right) \quad\) and \(\quad N=\left(\begin{array}{ccc}2 & 0 & 1 \\ 3 & -2 & 2 \\ 4 & -4 & 3\end{array} \right)\)