Recent questions tagged cmi2010

For integer values of $n$, the expression $\frac{n(5n + 1)(10n + 1)}{6}$Is always divisible by 5.Is always divisible by 3.Is always an integer.None of the above

You have two normal, fair, dice, with faces labelled $1,2, \dots ,6.$ If you throw both dice, which of the following is true about the total value shown by the dice?The p...

The area of the largest square that can be drawn inside a circle with unit radius is$\sqrt{2}$21None of the above

We need to choose a team of 11 from a pool of 15 players and also select a captain. The number of different ways this can be done is$ \begin{pmatrix} 15 \\ 11 \end{pmatri...