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#161
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#12. 5 men - 10 loaves of bread, 1 woman - 0.5 loaves of bread, 6 children - 1.5 loaves of bread. It took me a whole 5 minutes to realize I could use non-integer numbers =)

#13:

You are in a basement, there are 3 switches. Each of them controls a light bulb upstairs (there are also 3 of them). How, using only these switches (let's assume they are labeled a/b/c), can you determine which switch corresponds to which light bulb upstairs, if you can only go upstairs once?