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10-12-2020
Mathematics

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If each of 4 persons shakes hands with each of the other persons, how many handshakes would take place?
A 3
B. 4
C.6
D. 12
E. 24

Respuesta :

10-12-2020

Answer:

6

Step-by-step explanation:

The formula for n persons is:

[tex]\frac{n(n-1)}{2}[/tex]

So for 4 persons it is 4*3/2 = 6

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