There are 38 people in a party. If everyone is to shake hands with one another, how many hand shakes are possible?
Pick
A) 435 B) 367 C) 703 D) 997 E) 261
Explanation:   Total number of persons = n = 38   Shake hands involve only 2 persons = r = 2   Number of shake hands = n703r = 387032   387032 = (38 * 37) /(2 * 1)= 
<gadget id="calculator">(38 * 37) /(2 * 1)</gadget>
<output>703</output>
703   ANSWER:703
<result>C</result>
There are 38 people in a party. If everyone is to shake hands with one another, how many hand shakes are possible?