What is the sum of the digits of the number 987654321?
Category: Math · Difficulty: hard
Hint: Add each digit together.
Answer
45
Explanation
9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 45.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 45.
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