A car rental agency offers 7 different models of cars, 2 different options to ha
ID: 3141084 • Letter: A
Question
A car rental agency offers 7 different models of cars, 2 different options to handle the gasoline level when the car is returned, 3 different insurance options, and 4 payment options.
How many different configurations of a car rental are possible?
16 configurations
168 configurations
256 configurations
2520 configurations
A mutual fund manager has decided to include two large retailer stocks in his portfolio. He has 12 large retailer stocks to select from. How many pairs of stocks could he select?
66 pairs
120 pairs
132 pairs
240 pairs
Nine gymnasts entered a competition. Medals will be awarded for first place, second place, and third place? How many different ways could the medals be awarded to the nine competitors
60,480 ways
504 ways
84 ways
6 ways
a.16 configurations
b.168 configurations
c.256 configurations
d.2520 configurations
Explanation / Answer
A car rental agency offers 7 different models of cars, 2 different options to handle the gasoline level when the car is returned, 3 different insurance options, and 4 payment options.
Ans: 168 configurations
7 * 2 * 3 * 4 = 168
A mutual fund manager has decided to include two large retailer stocks in his portfolio. He has 12 large retailer stocks to select from. How many pairs of stocks could he select?
Ans: Answer is 12C2 = 12 * 11/2 = 66
Nine gymnasts entered a competition. Medals will be awarded for first place, second place, and third place? How many different ways could the medals be awarded to the nine competitors
Ans: 9 people can take first place, 8 can take 2nd and 7 can take third.
So, ways = 9 * 8 * 7 = 504
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