Mathematics Past Questions and Answers

\begin{array}{|c|r|r|r|r|r|r|}
\hline Amount (in Naira) & 3 & 6 & 9 & 12 & 15 & 18 \\
\hline Number of Students & 3 & 9 & 6 & 15 & 3 & 12 \\
\hline
\end{array}

Find the median of the distribution

Factorize: \(3 a^{2}-11 a+6\)

The number of telephone call \(N\) between two cities \(A\) and \(B\) varies directly as the population \(P_{A} P_{B}\) in \(A\) and \(B\) respectively and inversely as the square of the distance \(D\) between \(A\) and \(B\). Which of the following equations represents this relation?

In a soccer competition in one season, a club had scored the following goals: \(2,0,3,3,2,1,4,0,0\). \(5,1,0,2,2,1,3,1,4,1\) and 1 . The mean, median and mode are respectively

Add the same number to the numerator and denominator of \(3 / 18\). If the resulting fraction is \(1 / 2\) then the number added is