Post Utme Mathematics Past Questions and Answers

Question 361:

368 mod 7 is

A. 2
B. 10
C. 4
D. 8

Question 362:

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.
How much will he collect then at the end of the fourth year?

A. N1,6000.00
B. N1,464
C. N1,331.00
D. N1,221.1

Question 363:

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.

A. N4,000.00
B. N5,000.00
C. N2,500.00
D. N3,000.00

Question 364:

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

A. 6
B. \(-2\)
C. \(-5\)
D. 1

Question 365:

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 \(\quad N=\left(\begin{array}{ccc}2 & 0 & 1 \\ 3 & -2 & 2 \\ 4 & -4 & 3\end{array} \right)\)

A. \(\left(\begin{array}{ccc}3 & 2 & 1 \\ 4 & 1 & 1 \\ -1 & 2 & 0\end{array} \right)\)
B. \(\left(\begin{array}{rrr}2 & 0 & 1 \\ 3 & -2 & 2 \\ 4 & -4 & 3\end{array} \right)\)
C. \(\left(\begin{array}{lll}3 & 2 & 1 \\ 4 & 1 & 1 \\ -1 & 2 & 0\end{array} \right)\)
D. \(\left(\begin{array}{ccc}2 & 0 & 1 \\ 3 & -2 & 2 \\ 4 & -4 & 3\end{array} \right)\)