Post Utme Mathematics Past Questions and Answers

Question 396:

Find the sum to infinity of the series \(4+3+9 / 4+27 / 16+\cdots\).

A. 16
B. \(27 / 16\)
C. 1
D. 8

Question 397:

A chord of a circle of radius \(10 \mathrm{~cm}\) is drawn \(8 \mathrm{~cm}\) from the centre of the circle. Find the length of the chord.

A. 6
B. \(2 \sqrt{41}\)
C. 12
D. \(\sqrt{41}\)

Question 398:

Find the equation of the line which passes through \((-2,1)\) and is perpendicular to the line \(4 x-2 y+1=0\)

A. \(2 y-x-4=0\)
B. \(2 y+x=0\)
C. \(2 y-x=0\)
D. \(y-2 x-5=0\)

Question 399:

If a line is parallel to the line \(2 y-r x+4=0\) and perpendicular to the line \(4 y+x-28=0\), then the value of \(\mathrm{r}\) is ____________

A. 4
B. 8
C. \(-8\)
D. \(-4\)

Question 400:

\begin{array}{|l|l|l|l|l|l|l|}
\hline Score & 0 & 1 & 2 & 3 & 4 & 5 \\
\hline No of Student & 2 & 8 & 14 & 16 & 12 & 8 \\
\hline
\end{array}
The distribution above shows the scores of sixty (60) students in a class test. What percentage of the students scored at least 3?

A. \(60 \%\)
B. \(36 \%\)
C. \(66 \%\)
D. \(40 \%\)