The sum of my digits is 10, and I am divisible by both 4 and 5. What am I?
Category: Math · Difficulty: expert
Hint: Think of a number that ends in a zero.
Answer
40
Explanation
The number 40 has digits that sum to 4+0=4, is divisible by both 4 and 5, and the sum of digits is 10.
This is a expert math riddle — one of the harder riddles here. The answer is 40.
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