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harmeetistudy
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Permutation & Combination Q : 24 Apr 2009, 04:32
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Question: Pats pizza offers thick, thin and deep-dish crust style. there are 8 choices for toppings.

In how many ways can you choose a pizza with three diff toppings?

How do we solve this Q?



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lgon
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Permutation & Combination Q : 24 Apr 2009, 05:11
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harmeetistudy
Question: Pats pizza offers thick, thin and deep-dish crust style. there are 8 choices for toppings.

In how many ways can you choose a pizza with three diff toppings?

How do we solve this Q?
Show more
Dividing the question,
We can choose Pizza in 3 Ways, 3C1.
now, we can choose 3 topping out of 8 choices in , 8C3 ways,
= 56 Ways,
So, total number of ways of choosing pizza, 56*3=168 Ways.
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harmeetistudy
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Permutation & Combination Q : 24 Apr 2009, 08:22
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i saw the answer to be 1008 :shock:

dont know how those guys calculated :!:
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tkarthi4u
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Permutation & Combination Q : 26 Apr 2009, 18:24
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lgon
harmeetistudy
Question: Pats pizza offers thick, thin and deep-dish crust style. there are 8 choices for toppings.

In how many ways can you choose a pizza with three diff toppings?

How do we solve this Q?
Dividing the question,
We can choose Pizza in 3 Ways, 3C1.
now, we can choose 3 topping out of 8 choices in , 8C3 ways,
= 56 Ways,
So, total number of ways of choosing pizza, 56*3=168 Ways.
Show more

Hey how did you take No of ways to choose the pizza as 3c1. The question did not state any where there where 3 diff types of pizzas? Can u pls explain?
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peraspera
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Permutation & Combination Q : 26 Apr 2009, 18:43
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lgon
harmeetistudy
Question: Pats pizza offers thick, thin and deep-dish crust style. there are 8 choices for toppings.

In how many ways can you choose a pizza with three diff toppings?

How do we solve this Q?
Dividing the question,
We can choose Pizza in 3 Ways, 3C1.
now, we can choose 3 topping out of 8 choices in , 8C3 ways,
= 56 Ways,
So, total number of ways of choosing pizza, 56*3=168 Ways.
Show more

That's the exact same way I solved it.
Concur on this answer.
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shkusira
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Permutation & Combination Q : 27 Apr 2009, 08:34
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Got the same--168 ways. tkarthi, he meant 3 different types of crust mentioned in the question.



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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Problem Solving (PS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
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