reply on: [Daily puzzle] Light bulb problem \ stacker news ~science

22 sats \ 4 replies \ @south_korea_ln OP 3 Nov \ parent \ on: [Daily puzzle] Light bulb problem science

Is that because 1 as last number is the only one that gives a unique solution to multiplying two non equal values below 10? E.g. 11, 31, 41,... can't be obtained in such a way?

0 sats \ 3 replies \ @Scroogey 3 Nov

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22 sats \ 0 replies \ @south_korea_ln OP 3 Nov

I like this problem. The answer only hit me after i read your suggestion though. I assumed trolling at first...

0 sats \ 1 reply \ @Scroogey 3 Nov

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1 sat \ 0 replies \ @bordalix 3 Nov

Correct. Remember, he didn't ask for her ages, he asked for the sum of it. In both possible solutions, the sum is the same, 10 ;)