Person A shakes 5 hands Person B = 4 (as already shook A's …
Person A shakes 5 hands
Person B = 4 (as already shook A's hand)
C = 3
D = 2
E = 1
F has shaken everyone's hands.
A better way is 6C2 = 15
Person A shakes 5 hands
Person B = 4 (as already shook A's hand)
C = 3
D = 2
E = 1
F has shaken everyone's hands.
A better way is 6C2 = 15