All In The FamilyMath brain teasers require computations to solve.
Joe's dad is three times older than Joe. Joe's grandfather is twice as old as Joe's dad. The sum of all their ages is 100. How old are Joe, his dad, and his grandfather?
What Next?
Tweet
See another brain teaser just like this one... Or, just get a random brain teaser If you become a registered user you can vote on this brain teaser, keep track of which ones you have seen, and even make your own. Back to Top |


