There are two numbers. Their sum is 30, and their difference is 10. What are the numbers?
Category: Math · Difficulty: expert
Hint: Use simultaneous equations to solve.
Answer
20 and 10
Explanation
Let the numbers be x and y. x + y = 30 and x - y = 10. Solving gives x = 20 and y = 10.
This is a expert math riddle — one of the harder riddles here. The answer is 20 and 10.
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