Q. 10 people meet and shake hands. The maximum number of handshakes possible if there is to be no "cycle" of handshakes is (A cycle of handshakes is a sequence of k people a1, a2, ......, ak (k > 2) such that the pairs {a1, a2}, {a2, a3}, ......, {ak-1, ak}, {ak, a1} shake hands).
7
6
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9

• 9
• 13 years agoHelpfull: Yes(6) No(2)
• answer will b 9
• 13 years agoHelpfull: Yes(3) No(1)
• if it is no cycle of handshakes,then n-1=10-1=9 hand shakes possible
• 12 years agoHelpfull: Yes(2) No(0)
• 9answer will b 9
• 10 years agoHelpfull: Yes(0) No(0)