There are 32 people in a party. If everyone is to shake hands with one another, how many hand shakes are possible?
Select:
A) 496
B) 367
C) 361
D) 297
E) 261
Explanation:   Total number of persons = n = 32   Shake hands involve only 2 persons = r = 2   Number of shake hands = nCr = 32C2   32C2 = (32 * 31) /(2 * 1)= 
<gadget id="calculator">(32 * 31) /(2 * 1)</gadget>
<output>496</output>
496   496NSWER:496
<result>A</result>
There are 32 people in a party. If everyone is to shake hands with one another, how many hand shakes are possible?