How many ways can a president and vice president be selected from a class of 12?
A. 23
B. 72
C. 132
D. 1,320
There are 12 choices for the president, and after the president is selected, there are 11 choices left for the vice president. Therefore, the total number of ways to select a president and vice president is:
12 x 11 = 132
So the answer is C. 132.
To determine the number of ways a president and vice president can be selected from a class of 12, we can use the concept of permutations.
The president can be selected from 12 individuals in the class. Once the president has been selected, the vice president can be selected from the remaining 11 individuals. Therefore, the total number of ways to select a president and vice president is:
12 * 11 = 132
Hence, the correct answer is option C: 132.