Volume 37
, Issue 1


Professor Szekeres was responsible for starting Parabola in 1964 (before High School students of today were born!) 

Professor Ian Sloan is one of Australia’s most accomplished mathematicians. Australian born, Ian completed his schooling in Ballarat in Victoria.

In this article I want to present some simple ideas for obtaining interesting identities related to the binomial co-efficients $\dbinom{n}{r}$ which turn up in the 3-Unit course.

In probability theory and in everyday language we use the word ‘random’ and, for many of us, our first encounter with the word would have been in drawing a name at random from a hat.

Q1092. Carl Frederick Gauss, born in Braunschweig in 1777 and who died in Göttingen in 1855, was one of the greatest mathematicians of all time. Assuming that each letter in the following sum represents a different digit find all possible solutions for $A, C, G, L, R, S$ and $U$.

Q1082 There are $25$ people sitting around a table and they are playing a game with a deck of $50$ cards. Each of the numbers $1, 2, \ldots , 25$ is written on two of the cards.