1. The product of two odd numbers is 39.
What are they?
2. The difference between two square numbers is 8.
What are they?
3. The sum of three prime numbers is 37.
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 39 or 3 and 13 (and their negatives).
2. 1 and 9. Could there be any other solutions?
3. 3, 3 and 31 or 3, 5 and 29 or 3, 11 and 23 or 3, 17 and 17 or 5, 13 and 19 or 7, 7 and 23 or 7, 11 and 19 or 7, 13 and 17 or 11, 13 and 13.
4. 22 and 6 or 44 and 12 or 66 and 18 or ...
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