Consider two numbers. If you multiply them, you get 45, but if you add them, you get 14. What are the numbers?
Category: Math · Difficulty: expert
Hint: Use quadratic equations to find the pairs.
Answer
9 and 5
Explanation
Let the numbers be x and y. The equations x + y = 14 and xy = 45 give us the roots 9 and 5.
This is a expert math riddle — one of the harder riddles here. The answer is 9 and 5.
More Math riddles
- I skip every second number in a sequence. What am I?
- I am identical but not the same, I can match yet differ, what am I?
- I hold value yet have no shape, can be large or small in mind. What am I?
- I can tell tales of totals and sometimes I even repeat. What am I?
- I am taken apart in steps but unite as one. I help you solve problems, yet I am not a tool. What am I?
- I am often overlooked but guide the way, I can be straightforward or complex in nature. What am I?
- I always have a friend, together we can create more. What am I?
- I can create shapes and forms, I can help build structures too. What am I?