2 out of 3
Can you work out the probability of winning the Mathsland National Lottery?
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The heptathlon is an athletics competition consisting of 7 events. Can you make sense of the scoring system in order to advise a heptathlete on the best way to reach her target?
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Which numbers can we write as a sum of square numbers?
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Six samples were taken from two distributions but they got muddled up. Can you work out which list is which?
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In this follow-up to the problem Odds and Evens, we invite you to analyse a probability situation in order to find the general solution for a fair game.
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What is special about the difference between squares of numbers adjacent to multiples of three?
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Can you find the values at the vertices when you know the values on the edges of these multiplication arithmagons?
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There are unexpected discoveries to be made about square numbers...
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Four rods are hinged at their ends to form a convex quadrilateral. Investigate the different shapes that the quadrilateral can take. Be patient this problem may be slow to load.
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Can you create a Latin Square from multiples of a six digit number?
