In a BCCI meeting there are 15 people. All shake hands with each other once. How many handshakes will be there altogether?	Choose the correct choice:	A) 28	B) 14	C) 15	D) 19	E) 18
There will be n-1 handshakes as A person will shake hands with all the other members.   =15-1= 
<gadget id="calculator">15-1</gadget>
<output>14</output>
14   Answer:14
<result>B</result>
In a BCCI meeting there are 15 people. All shake hands with each other once. How many handshakes will be there altogether?