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.20 men shake hand with each other. Maximum no of handshakes w without cyclic
handshakes.

Read Solution (Total 4)

19 handshakes
12 years agoHelpfull: Yes(3) No(9)

20C2 ans because of no cyclic repittion
9 years agoHelpfull: Yes(2) No(0)
20C2 if there can be a cycle,
but without cycle
n-1;
20-1=19;
12 years agoHelpfull: Yes(1) No(4)
In case of circular sequence,possible number of handshakes can be given as:

No. of candidates itself in case even number of candidates are there.
No. of candidates-1 in case of odd number of candidates.

While in case no circular sequence is followed:
No of possible handshakes are: n*(n-1)/2
ie: 20(20-1)/2=10*19=190
10 years agoHelpfull: Yes(1) No(0)

TCS Other Question

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