Handshaking

Author: Anonymous
7 years ago

Riddle: If seven people meet each other and each shakes hands only once with each of the others, how many handshakes will there have been?  
Answer: Twenty one. Most people would think there were 42 handshakes. The first person shakes the hand of 6 others, the second person shakes the hand of 5 remaining people, the third person shakes the hand of 4 remaining people, the fourth person shakes the hand of 3 remaining people, the 5th person shakes the hand of 2 remaining people and the sixth person shakes the hand of 1 remaining person. 6+5+4+3+2+1=21
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Source: https://www.riddles.com/679
Riddle: If seven people meet each other and each shakes hands only once with each of the others, how many handshakes will there have been?
  Answer: Twenty one. Most people would think there were 42 handshakes. The first person shakes the hand of <strong>6</strong> others, the second person shakes the hand of <strong>5</strong> remaining people, the third person shakes the hand of <strong>4</strong> remaining people, the fourth person shakes the hand of <strong>3</strong> remaining people, the 5th person shakes the hand of <strong>2</strong> remaining people and the sixth person shakes the hand of <strong>1</strong> remaining person. <strong>6</strong>+<strong>5</strong>+<strong>4</strong>+<strong>3</strong>+<strong>2</strong>+<strong>1</strong>=<strong>21</strong>
by Anonymous v1.


Riddle: If seven people meet each other and each shakes hands only once with each of the others, how many handshakes will there have been?
  Answer: Twenty one. Most people would think there were 42 handshakes. The first person shakes the hand of <strong>6</strong> others, the second person shakes the hand of <strong>5</strong> remaining people, the third person shakes the hand of <strong>4</strong> remaining people, the fourth person shakes the hand of <strong>3</strong> remaining people, the 5th person shakes the hand of <strong>2</strong> remaining people and the sixth person shakes the hand of <strong>1</strong> remaining person. <strong>6</strong>+<strong>5</strong>+<strong>4</strong>+<strong>3</strong>+<strong>2</strong>+<strong>1</strong>=<strong>21</strong>
by Anonymous v2.