At the end of a conference the 10 people All of these Present all shake hands with each other once, how many hand shakes will there be altogether...? Mcqs

At the end of a conference the 10 people All of these Present all shake hands with each other once, how many hand shakes will there be altogether...?

(A) 20

(B) 25

(C) 35

(D) 45

Source: This question is taken from the SUB Inspector In Punjab Police Department (BSP 14) 2017