Mathematics Past Questions and Answers

\(\begin{array}{c|c}
Class Interval & 3 - 5 & 6 - 8 & 9 - 11 \\ \hline Frequency & 2 & 2 & 2 \end{array}\). Find the standard deviation of the above distribution.

In how many was can the letters of the word ELATION be arranged?

In how many ways can five people sit round a circular table?

Find the probability that a number picked at random from the set(43, 44, 45, ..., 60) is a prime number.

Find the derivative of \(\frac {\sin\theta}{\cos\theta}\)