12. Throughout the latest census an individual instructed the census taker that he had three kids. When requested his age, he replied, “The product of their ages is 72. The sum of their ages is equal to my house number.” The census taker ran to the person’s entrance door and seemed on the home quantity. “I still can’t tell,” she complained. The person replied, “Oh, that’s right, I forgot to tell you that the eldest one likes chocolate pudding.” The census taker instantly wrote down the ages of all three kids. how outdated are they?
Reply: 3, 3 and 8.
Clarification: as reddit customers TT1103 And RedditRage Defined, the important thing to this mind teaser is that the census taker sees the home quantity. In different phrases, she is aware of the sum of the ages of the youngsters.
Nevertheless, at that time within the puzzle, she nonetheless can not inform how outdated the person’s kids are. So, he needs to be torn between a number of prospects. To slim it down additional, the only two units of numbers that multiply by 72 share the identical sum: (2,6,6) and (3,3,8).
after the person discovers that his the oldest The kid likes chocolate pudding, nonetheless, the census taker can differentiate between the 2 selections. That’s, of these two units, only the latter has a definite “oldest” youngster.
Supply: mikebrown_pelican, reddit