Suppose that we want to buy a computer from one of two makes A1 and A2. Suppose also that those makes have 12 and 18 different models, respectively. Then how many models are there altogether to choose from?

Explain why many computer manufacturers offer a family of computer models, allwith the same architecture but with differences in organization.

Amy is buying a new car. There are 7 different models to choose from, each with 5 exterior colors available. For the interior, Amy has 8 different choices. In addition, there are 2 choices for the sound system. How many different cars can Amy order?

Read the following information carefully and answer the 4 questions.A survey was conducted among 200 users of laptops of different companies. It was found that 160 use laptops of SONY, 100 use laptops of HP and 90 use laptops of TOSHIBA. 20 use laptops of all the three companies and each one uses laptops of at least one of the three companies.Q2. If 40 use only SONY, then how many uses TOSHIBA and HP only ?Question 19Answera.18b.15c.30d.10

Read the following information carefully and answer the 4 questions.A survey was conducted among 200 users of laptops of different companies. It was found that 160 use laptops of SONY, 100 use laptops of HP and 90 use laptops of TOSHIBA. 20 use laptops of all the three companies and each one uses laptops of at least one of the three companies.Q2. If 40 use only SONY, then how many uses TOSHIBA and HP only ?Question 19Answera.15b.30c.18d.10

A car dealership is promoting a particular model of car that has 8 optional features available. Each optional feature can be purchased separately. How many different packages of 3 optional features are possible for this model of the car?