The sum of squares of two numbers is 25, and one number is 3. What is the other number?
Category: Math · Difficulty: medium
Hint: Use the Pythagorean relation to find the missing value
Answer
A number equal to 4
Explanation
If one number is 3, its square is 9, so the other squared is 16; thus number is 4
This is a medium math riddle — a moderate challenge for most people. The answer is A number equal to 4.
More Math riddles
- I am a number that is prime, the sum of my digits is 10, and I am under 50. What am I?
- In a right triangle, if the lengths of the legs are in the ratio 3:4, what is the length of the hypotenuse?
- In a sequence of odd numbers starting from 1, what is the 15th term?
- What is the slope of the line that passes through the points (2,3) and (4,7)?
- What is the volume of a cylinder with a radius of 3 and a height of 5? Use π = 3.14.
- I am one third of nine. What number am I?
- What is the sum of five and seven?
- What is 9 multiplied by 9?