If you divide a number by 12, the remainder is 7. What could the original number be?
Category: Math · Difficulty: hard
Hint: Think about how remainders work.
Answer
19
Explanation
Any number that gives a remainder of 7 when divided by 12 can be expressed as 12k + 7 for integer k; thus, 19 is one valid solution.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 19.
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