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19 Aug 2007, 19:02
Kudos
Bookmarks
Found these on mygretutor : Very good for practice (GMAT and GRE overlap significantly).
1)
Column A
A box contains 32 short pencils and 12 long pencils. The probability of picking 2 pencils, the first of which is short and the second one is long.
Column B
30%
-I got (32/44)*(12/43) which is greater than 30%.
2)
2x + 4y = 16
3x + 6y = 30
Column A
|x|
Column B
|y|
-I believe there is a mistake here. The first equation is the second equation divided by 3/2, but the numbers don't match on the right-hand side.
3) Column A
A vegetarian sandwich shop has a choice of 4 different sandwich toppings. The number of different types of sandwiches that can be made if at least one topping has to be used and each topping cannot be used more than once.
Column B
32
- I got 15, by adding 4 C 1 + 4 C 2 + 4 C 3 + 4 C 4 (where 4 C y stands for combination). But they say that's wrong.
I'm very worried about these questions. i would very much appreciate the help.
1)
Column A
A box contains 32 short pencils and 12 long pencils. The probability of picking 2 pencils, the first of which is short and the second one is long.
Column B
30%
-I got (32/44)*(12/43) which is greater than 30%.
2)
2x + 4y = 16
3x + 6y = 30
Column A
|x|
Column B
|y|
-I believe there is a mistake here. The first equation is the second equation divided by 3/2, but the numbers don't match on the right-hand side.
3) Column A
A vegetarian sandwich shop has a choice of 4 different sandwich toppings. The number of different types of sandwiches that can be made if at least one topping has to be used and each topping cannot be used more than once.
Column B
32
- I got 15, by adding 4 C 1 + 4 C 2 + 4 C 3 + 4 C 4 (where 4 C y stands for combination). But they say that's wrong.
I'm very worried about these questions. i would very much appreciate the help.
Archived Topic
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 Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block below for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
19 Aug 2007, 19:05
Kudos
Bookmarks
I have no idea what you're asking, and what column A is and what column B is, and where the questions are. Try posting it as a word document attachement.
Archived Topic
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 Quantitative Questions 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!
