Can you solve it? The multi-choice maths quiz taking over the world
The answer to today’s Kangaroo puzzle Earlier today I set you the following problem from the international maths Kangaroo, a multiple choice challenge taken by more than seven million children every year.
Key points
- There is nothing in education quite like the Kangaroo.
A multiple-choice maths challenge sat by more than seven million children in around 120 countries, from Afghanistan to Zimbabwe, it is arguably the world’s most widely-taken primary and secondary school test.
(For more details about this extraordinary event see the original story.) Here is is again with the solution.
How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →
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Every article behind this summary — 2 articles from 1 outlet
The Guardian ScienceNovember 9, 2026, 5:00 PM UTC →
The Guardian ScienceNovember 9, 2026, 7:10 AM UTC →
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