If I am a two-digit number and the sum of my digits is 11 while the difference is 5, what number am I?
Category: Math · Difficulty: hard
Hint: Set up a system of equations to solve.
Answer
62
Explanation
Let the digits be x and y. x + y = 11 and x - y = 5. Solving these gives x = 6 and y = 2, thus the number is 62.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 62.
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