You may have seen magic squares before, but can you work out the missing numbers on this magic star?

This magic square has only been partially completed. Can you still solve it...

How long will it take Inspector Remorse to crack this crime spree?

Quince, quonce and quance are three types of fruit. Can you work out the order of heaviness of the fruits?

Weighing the baby at the clinic was a problem. The baby would not keep still so we had to hold her while on the scales. Can you work out our combined weight?

Tony and Tina can't work out which of them owes what to the other. Can you?

A car can go r miles on s gallons of petrol. How many gallons of petrol would it need for a journey of t miles?

Can you work out Ali's age based on the diagram?

Dan and Ann have 9 and 8 coins respectively. What is the smallest number of coins they must swap so they end up with equal amounts of money.

The Seven Dwarfs have seven different birthdays. How old can they be?

Can you find a pair of numbers such that their sum, product and quotient are all equal? Are there any other pairs?

Is it wise for Jane to use this certain method for choosing her padlock code? Try to work out all possible combinations she might use.

Mary is driving to Birmingham Airport. Using her average speed for the entire journey, find how long her journey took.

Using the new operator $\oplus$, can you solve this equation?

What does the sum of these three numbers tell us about their product?

How many solutions can you find to this sum? Each of the different letters stands for a different number.

Given some relationships amongst these shapes, how many triangles equal one diamond?

Dean runs up a mountain road at 8 km per hour. It takes him one hour to get to the top. He runs down the same mountain at 12 km per hour. How long does it take him to run down the mountain?

Andrew walks along a flat path, then up and down a hill, then back along the path. Is it possible to work out how far he has walked?

Yesterday evening, Emily's journey home took 25% longer than usual. By what percentage was her average speed reduced compared to normal?