In a party every person shakes hands with every other person. If there were a total of 136 handshakes in the party then what is the number of persons present in the party ?	Select the correct option.
A) 15  B) 16  C) 17  D) 18  E) 19
Explanation :   Let the number of persons be n   âˆ´ total handshakes = n172 = 136   n(n-1)/2 = 136 âˆ´ n = 17   Answer : 17
<result>C</result>
In a party every person shakes hands with every other person. If there were a total of 136 handshakes in the party then what is the number of persons present in the party ?