In a room, there are three doors. Behind one door is the sum of 10 and 15, behind another is the product of 3 and 7, and behind the last is the difference between 20 and 5. Which door leads you to the greatest number?
Category: Math · Difficulty: expert
Hint: Calculate each operation carefully.
Answer
The sum of 10 and 15
Explanation
10 + 15 = 25, 3 * 7 = 21, and 20 - 5 = 15. The greatest number is 25.
This is a expert math riddle — one of the harder riddles here. The answer is The sum of 10 and 15.
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