In a party attended by 14 persons, each clinch their glass with every other. How many glass clinches?
Choose the correct choice from the following choices:
A) 91
B) 92
C) 93
D) 94
E) 95
Total no. of person = 11   Total no. of glass clinches = n(n-1)/2   =14*13/2= 
<gadget id="calculator">14*13/2</gadget>
<output>91</output>
91   91NSWER:91
<result>A</result>
In a party attended by 14 persons, each clinch their glass with every other. How many glass clinches?