7 people meet and shake hands with one another, how many
handshakes occur?

Answer Posted / pradip

ok boys the answer is 21
let the friends be A,B,C,D,E,F,G
FIRSTLY, SECONDLY, THIRDLY, FOURTHLY, FIFTHLY, SIXTHLY,
A-B]1 B-C]7 C-D]12 D-E]16 E-F]19 F-G]21
A-C]2 B-D]8 C-E]13 D-F]17 E-G]20
A-D]3 B-E]9 C-F]14 D-G]18
A-E]4 B-F]10 C-G]15
A-F]5 B-G]11
A-G]6
===============21 TIMES
LASTLY,
G-HAS ALREADY DONE WITH EVERYBODY.......

Is This Answer Correct ?    32 Yes 3 No



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