A car dealer has 7 different cars that he would like to display, but he has room to display only 4. In how many ways can he pick 4 cars to display?
A)840
B)165
C)121
D)35
E)28

Question

A car dealer has 7 different cars that he would like to display, but he has room to display only 4. In how many ways can he pick 4 cars to display? ​
A)840
B)165
C)121
D)35
E)28

Quizplus · Accepted Answer

The number of ways to pick 4 cars out of 7 is given by the combination formula: C(7,4) = 7!/4!(7-4)! = 35. Therefore, the correct answer is (D) 35.

A Car Dealer Has 7 Different Cars That He Would