I am thinking of two numbers. Their difference is four, and their product is twenty-one. What are the numbers?
Category: Math · Difficulty: medium
Hint: Look for numbers differing by four whose multiplication yields twenty-one.
Answer
Seven and three
Explanation
Seven minus three is four and their product is twenty-one.
This is a medium math riddle — a moderate challenge for most people. The answer is Seven and three.
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