1. The product of two odd numbers is 361.
What are they?
2. The difference between two square numbers is 7.
What are they?
3. The sum of three prime numbers is 25.
What are they?
4. The ratio of two even numbers is 5:4.
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 361 or 19 and 19 (and their negatives).
2. 9 and 16. Could there be any other solutions?
3. 3, 3 and 19 or 3, 5 and 17 or 3, 11 and 11 or 5, 7 and 13 or 7, 7 and 11.
4. 10 and 8 or 20 and 16 or 30 and 24 or ...
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