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Ask HN: Can somebody with access to Gemini Advanced try this?
I'm currently in a country that does not have access to Google Gemini, can somebody ask it this question and post the answer?
Sally has 3 brothers and each brother has 2 sisters. How many sisters does Sally have?
- jaykru 3y agoGemini advanced: This is a bit of a trick question! Sally has one sister. Here's why: Sally and her brothers share the same sisters. Since Sally is a girl, she is one of the two sisters that each of her brothers has. Therefore, there is only one other sister besides Sally. ---- Gemini original: There are two ways to think about this question: Including Sally: If we consider Sally herself as one of her own sisters, then she would have 1 sister (herself) + 0 sisters (additional sisters besides herself) = 1 sister. Excluding Sally: If we only consider sisters other than Sally herself, then each of her brothers has 2 sisters, but they all share the same two sisters. So, there are 0 sisters (additional sisters besides herself) = 0 sisters. Therefore, the answer depends on whether you include Sally as one of her own sisters. If you do, then Sally has 1 sister. If you don't, then Sally has 0 sisters. ---- ChatGPT 4 (YMMV, I think I may have a custom prompt set): Sally has 2 sisters. Each brother having 2 sisters just confirms Sally plus one more sister. --- Wasn't expecting Gemini Advanced to clinch this one.
- naghz 3y agoThis is a bit of a word puzzle! Here's how to solve it: Sally's brothers all share the same sisters. They aren't each talking about a different set of sisters. Sally is one of those sisters! Each of her brothers has Sally as a sister. Since there are 2 sisters total (Sally and one other), Sally has one sister. Let me know if you'd like to try another brain teaser!