Did you know we have a huge archive of short problems?
We have decide to feature some of our favourites, and if this whets your appetite, check out the full collection.
We have decide to feature some of our favourites, and if this whets your appetite, check out the full collection.
problem
Equal means
Age
14 to 16
Challenge level
What value of x makes the mean of the first three numbers in this list equal to the mean of the other four?
problem
Red card blue card
Age
11 to 14
Challenge level
Can you arrange the red and blue cards so that the rules are all followed?
problem
Common remainder
Age
11 to 14
Challenge level
144 divided by n leaves a remainder of 11. 220 divided by n also leaves a remainder of 11. What is n?
problem
Magic 7
Age
11 to 14
Challenge level
Can you complete this magic square with the numbers from 7 to 15?
problem
Trapezium arch
Age
11 to 14
Challenge level
Weekly Problem 27 - 2007
Ten stones form an arch. What is the size of the smallest angles of the trapezoidal stones?
Ten stones form an arch. What is the size of the smallest angles of the trapezoidal stones?
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