Bite-sized brain teaser to solve in a minute or less
The Safe Code
A safe in Professor Elan’s lab is secured with a 3-digit combination lock. The digits range from 0 to 9, and Professor Elan left the following clues to help his assistant unlock it:
The sum of the three digits is 14.
The first digit is twice the third digit.
The second digit is one less than the first digit.
What is the 3-digit combination to open the safe?
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Solution
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