Practice problem
Logic Puzzles and Brainteasers
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Do you know who the most famous kid inventor is? Probably not -- because she hasn’t been born yet! The most famous kid inventor is Zeita Reise who will invent the time machine in 45 years at the young age of 7.
She’s having a birthday party and decides to invite some other kid inventors. The first four that Zeita picks up are Louise Braille, Benjamin Franklin, Alexander Graham Bell, and Becky Schroeder.
During their journey they discuss at what ages they made their inventions. Zeita learns the following clues about her four friends' ages:
- The greatest common divisor of their ages is 3, but none of the ages are a power of 3.
- The product of their ages is 38880.
- Exactly 2 of them have the same age.
What are the ages of the inventors?