Question

Q8. There are 195 people in a group. If all shake hands with one another, how many handshakes are possible

Answer 1

Answer:

97.5 handshakes means nearly 96 handshakes only because 1 hand will be left.

Step-by-step explanation:

since there are 195 hands so two people required to shake hands therefore. ..

195/2=97.5 handshakes.

Answer 2

given,

no. of people = 195

formula for number of handshakes in a group of n people

$= \frac{n(n - 1)}{2} \\ here \: n = 195 \\ = \frac{195 \times 194}{2} \\ = \frac{37,830}{2} \\ = 18,915$

therefore 18,915 handshakes are possible among 195 people