Permutations and combinations - Quantitative Aptitude (MCQ) questions for Q. 29480

Q.  There are 30 people in a group. If all shake hands with one another , how many handshakes are possible?
- Published on 13 Apr 17

a. 870
b. 435
c. 30!
d. 29! + 1

ANSWER: 435
 
permutation and combination

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