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Main course: Chicken, Beef, Tofu Side dish: Rice, Salad, Sou
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11 Dec 2018, 13:28
11 Dec 2018, 13:28
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63% (00:46) correct
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Main courses: Chicken, Beef, Tofu
Side dishes: Rice, Salad, Soup, Pasta
Desserts: Pie, Cake
A meal at a certain restaurant consists of 1 main course, 2 different side dishes, and 1 dessert.
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Side dishes: Rice, Salad, Soup, Pasta
Desserts: Pie, Cake
A meal at a certain restaurant consists of 1 main course, 2 different side dishes, and 1 dessert.
Quantity A |
Quantity B |
Number of different meals possible |
36 |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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Re: Main course: Chicken, Beef, Tofu Side dish: Rice, Salad, Sou
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12 Dec 2018, 13:26
12 Dec 2018, 13:26
3
Carcass wrote:
Main courses: Chicken, Beef, Tofu
Side dishes: Rice, Salad, Soup, Pasta
Desserts: Pie, Cake
A meal at a certain restaurant consists of 1 main course, 2 different side dishes, and 1 dessert.
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Side dishes: Rice, Salad, Soup, Pasta
Desserts: Pie, Cake
A meal at a certain restaurant consists of 1 main course, 2 different side dishes, and 1 dessert.
Quantity A |
Quantity B |
Number of different meals possible |
36 |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Take the task of creating a meal and break it into stages.
Stage 1: Select a main course
There are 3 items to choose from, so we can complete stage 1 in 3 ways
Stage 2: Select 2 side dishes
Since the order in which we select the side dishes does not matter, we can use combinations.
We can select 2 side dishes from 4 side dishes in 4C2 ways (6 ways)
So, we can complete stage 2 in 6 ways
Stage 3: Select a dessert
There are 2 desserts to choose from, so we can complete stage 3 in 2 ways
By the Fundamental Counting Principle (FCP), we can complete all 6 stages (and thus seat all 6 children) in (3)(6)(2) ways (= 36 ways)
We get:
QUANTITY A: 36
QUANTITY B: 36
Answer: C
Note: the FCP can be used to solve the MAJORITY of counting questions on the GRE. So, be sure to learn it.
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Re: Main course: Chicken, Beef, Tofu Side dish: Rice, Salad, Sou
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19 Sep 2024, 02:00
19 Sep 2024, 02:00
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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