Latest TCS Aptitude Question SOLUTION: 19 people are invited to a party.the host and the hostess shake hands with each other and with each invited persons.the invited persons shake hand in a circular fashion, i.e. the p

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19 people are invited to a party.the host and the hostess shake hands with each other and with each invited persons.the invited persons shake hand in a circular fashion, i.e. the pairs(a1,a2), (a2,a3)......(a18,a19), (a19,a1) shake hands.So in all there are 58 handshakes.Let S be a set of people such that every pair in S shake hands.The size of the S is atmost --a)2 b)3 C)1 d)4

Asked In TCS TANU MUKHERJEE (12 years ago)

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Sayan Bhaumik  (12 years ago)

answer will be 4. Because In the set set S both host and hosteress will be there as they have shake hands with each other and another 2 guests A1 and a2 as they shake hands with each other also. so every pair in S shake hands with each other is satisfied..hence ans wil be 4..

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Rimu Mukherjee  (12 years ago)

2
coz there two person host and hostess who shake hand with evryone

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