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A man has some socks in his drawer: 17 identical blue, 49 identical black. The lights are out and it is totally dark. How many socks must he take out to make sure he has a pair of each colour?
Read Solution (Total 2)
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- total no of socks 2 draw are 51 to make atleast 2 pair of different
- 13 years agoHelpfull: Yes(6) No(0)
- ans z 50
bcz for each color of a pair 49+1 =50 - 13 years agoHelpfull: Yes(2) No(3)
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45 people {a1, a2,.....,a45} meet and shake hands in a circular fashion. In other words, there are totally 45 handshakes involving the pairs
{a1,a2},{a2,a3},......{a44,a45},{a45,a1}. Then the size of the
smallest set of people such that the rest have shaken hands with at
least one person in the set is