Question: 1. A person buying a desktop computer system is offered a choice of three models of the basic unit, two models of keyboard, and two

1. A person buying a desktop computer system is offered a choice of three models of the basic unit, two models of keyboard, and two models of printer. How many distinct systems can be purchased?

2. How many ways can a World Series be played if team A wins four games in a row?

3. Suppose there are three roads from city A to city B and five roads from city B to city C. How many ways is it possible to travel from city A to city C via city B?

4. A man goes into a donut shop to buy 7 donuts. At the time he is there, there are only 5 possible donuts: plain, cherry, jelly, lemon, peach. What is the total number of possibilities for his purchase?

5. A total of 100 people attending a movie were asked if they normally have popcorn, candy or a soft drink when they go to a movie. They answered: 62 have popcorn, 20 have candy, 70 have a soft drink, 5 have popcorn and candy, 51 have popcorn and a soft drink, 11 have candy and a soft drink and 3 have all 3. How many have none of these?

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