1. The product of two odd numbers is 221.
What are they?
2. The difference between two square numbers is 7.
What are they?
3. The sum of three prime numbers is 19.
What are they?
4. The ratio of two even numbers is 7:7.
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 221 or 13 and 17 (and their negatives).
2. 9 and 16. Could there be any other solutions?
3. 3, 3 and 13 or 3, 5 and 11 or 5, 7 and 7.
4. 14 and 14 or 28 and 28 or 42 and 42 or ...
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