1. The product of two odd numbers is 437.
What are they?
2. The difference between two square numbers is 5.
What are they?
3. The sum of three prime numbers is 13.
What are they?
4. The ratio of two even numbers is 11:3.
What are they?
Topics: Starter  Arithmetic  Number  Puzzles  Ratio
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1. 1 and 437 or 19 and 23 (and their negatives).
2. 4 and 9. Could there be any other solutions?
3. 3, 3 and 7 or 3, 5 and 5.
4. 22 and 6 or 44 and 12 or 66 and 18 or ...
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