1. The product of two odd numbers is 147.
What are they?
2. The difference between two square numbers is 24.
What are they?
3. The sum of three prime numbers is 23.
What are they?
4. The ratio of two even numbers is 7:6.
What are they?
Topics: Starter | Arithmetic | Number | Puzzles | Ratio
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1. 1 and 147 or 3 and 49 or 7 and 21 (and their negatives).
2. 1 and 25 or 25 and 49. Could there be any other solutions?
3. 2, 2 and 19 or 3, 3 and 17 or 3, 7 and 13 or 5, 5 and 13 or 5, 7 and 11.
4. 14 and 12 or 28 and 24 or 42 and 36 or ...
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