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A restaurant menu has several options for tacos. There are 3

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Mohammad Alamin Asif: Mohammad Alamin Asif
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A restaurant menu has several options for tacos. There are 3 [#permalink] New post 13 Feb 2020, 19:42
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A restaurant menu has several options for tacos. There are 3 types of shells, 4 types of meat, 3 types of cheese, and 5 types of salsa. How many distinct tacos can be ordered assuming that any order contains exactly one of each of the above choices?

[Reveal] Spoiler: OA
180
Manager
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Joined: 28 Mar 2019
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Mohammad Alamin Asif: Mohammad Alamin Asif
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Kudos [?]: 14 [0], given: 19

Re: A restaurant menu has several options for tacos. There are 3 [#permalink] New post 13 Feb 2020, 19:47
A restaurant menu has several options for tacos. There are 3 types of shells, 4 types of meat, 3 types of cheese, and
5 types of salsa. How many distinct tacos can be ordered assuming that any order contains exactly one of each of the above choices?
Correct answer: 15 but how a\I add this in softwaare
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Re: A restaurant menu has several options for tacos. There are 3 [#permalink] New post 14 Feb 2020, 01:06
Expert's post
Sorry,

how can a numeric entry question the oA is A ??

Could you please format properly your questions Sir when you post on the board: they are unclear and messed up.

Thanks
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Re: A restaurant menu has several options for tacos. There are 3 [#permalink] New post 14 Feb 2020, 01:48
Correct Answer is 15.
1 KUDOS received
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Re: A restaurant menu has several options for tacos. There are 3 [#permalink] New post 14 Feb 2020, 03:08
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There are:
3 types of shells
4 types of meat
3 types of cheese
5 types of salsa

To make a taco, you need to use EXACTLY 1 of each item type (irrespective of the order in which they are added)
Thus, you need to
Take 1 from 3 shells AND 1 from 4 meats AND 1 from 3 cheese AND 1 from 5 salsa
= 3c1 * 4c1 * 3c1 * 5c1
= 180

Answer 180
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Re: A restaurant menu has several options for tacos. There are 3   [#permalink] 14 Feb 2020, 03:08
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A restaurant menu has several options for tacos. There are 3

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