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Age 11 to 14 Short Challenge Level:

Jim rolled some dice and was surprised that the sum of the scores on the dice was equal to the product of the scores on the dice. One of the dice showed a score of $2$, one showed $3$ and one showed $5$. The rest showed a score of $1$. How many dice did Jim roll?


If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.


This problem is taken from the UKMT Mathematical Challenges.
You can find more short problems, arranged by curriculum topic, in our short problems collection.