Easy Permutation-Combination Solved QuestionAptitude Discussion

 Q. In how many ways a President, VP and Waterboy can be selected from a group of 10 people.
 ✖ A. ${^{10}C_3}$ ✔ B. ${^{10}P_3}$ ✖ C. 240 ✖ D. 360

Solution:
Option(B) is correct

We are selecting three different posts here, so order matters.

Thus total ways of selecting a President, VP and Waterboy from a group of $10$ people would be ${^{10}P_3}$