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Square Pegs

Which is a better fit, a square peg in a round hole or a round peg in a square hole?

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Do Unto Caesar

At the beginning of the night three poker players; Alan, Bernie and Craig had money in the ratios 7 : 6 : 5. At the end of the night the ratio was 6 : 5 : 4. One of them won $1 200. What were the assets of the players at the beginning of the evening?

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Oh for the Mathematics of Yesteryear

A garrison of 600 men has just enough bread ... but, with the news that the enemy was planning an attack... How many ounces of bread a day must each man in the garrison be allowed, to hold out 45 days against the siege of the enemy?

Triathlon and Fitness

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

What do you need to know to work out each athlete's speed?

How can you work out the speed in kilometres per hour?

If his swimming speed is slower than 4.5km/h, would you expect him to burn more or less than 600 kcal per hour?
Once you know the rate at which he burns calories, how will you work out how many calories he burns in 19 minutes and 12 seconds?