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 21.
What are they?
4. The ratio of two even numbers is 9:7.
What are they?
Topics: Starter  Arithmetic  Number  Puzzles  Ratio
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Previous Day  This starter is for 4 June  Next Day
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 17 or 3, 5 and 13 or 3, 7 and 11 or 5, 5 and 11 or 7, 7 and 7.
4. 18 and 14 or 36 and 28 or 54 and 42 or ...
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