Three married couples arrange a party. They arrive at the party one at a time, the couples not necessarily arriving together. They all, upon arriving, shake the hand of everyone already there, except their own spouse. When everyone has arrived, someone asks all the others how many hands they shook upon arriving, and gets five different answers. How many hands did he himself shake upon arriving?
Stacey Warren - Expert brainly.com
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he asked them after all this happened, i think you misunderstand
number the couples 1 , 2 , 3
so m1 is male from couple 1 , and f1 is female from couple 1
if he asked without shaking hand .. and the pair couple shook hand 3 times while the unpaired couple shook 4 times
first to arrive is m1, he shakes 0 peoples hands
second is m2 he shakes 1
third is m3 he shakes 2
fourth is f1 she also shakes 2
fifth is f2 she shakes 3
sixth is f3 she shakes 4
the asker is either m3 or f1 , and they get 5 different answers
Ah i get it now, thanks for explaining it :)
how many hands ON ARRIVING?? i think i understood the question now.
of course we haven't checked thats the only solution, but you can change around the numbers to get a solution that looks different but is the same