Domino Tetrads
Is it possible to use all 28 dominoes arranging them in squares of four? What patterns can you see in the solution(s)?
Is it possible to use all 28 dominoes arranging them in squares of four? What patterns can you see in the solution(s)?
Consider all of the five digit numbers which we can form using only the digits 2, 4, 6 and 8. If these numbers are arranged in ascending order, what is the 512th number?
A man has 5 coins in his pocket. Given the clues, can you work out what the coins are?
Imagine you had to plan the tour for the Olympic Torch. Is there an efficient way of choosing the shortest possible route?
In how many ways can the number 1 000 000 be expressed as the product of three positive integers?
An introduction to the binomial coefficient, and exploration of some of the formulae it satisfies.