At the end of the business conference the Ten people present all shake hands with each other once. How many handshakes will there be altogether?

 

2.      At the end of the business conference the Ten people present all shake hands with each other once. How many handshakes will  there be altogether?

   ( व्यापार सम्मेलनको अन्त्यमा उपस्थित दसजना व्यक्तिहरूले एक अर्कासँग हात मिलाउँछन्। जम्मा कति पटक हात मिलाउने कार्य भएको होला ?)

a.       20                         

b. 35                         

c. 45                                  

d. 96