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by numberonelabouchefan
Wed Nov 15, 2017 2:26 pm
 
Forum: General Math Questions
Topic: Mystery Teammates - Combinatorics
Replies: 10
Views: 3185
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Re: Mystery Teammates - Combinatorics

I have a conceptual question that was posed to me the other day. While we all assume that the question is asking for the number of ways a SINGLE 5-person team can be formed, the question never actually specifies this. In order words, if there were 11 people to choose from than we could actually make...
by numberonelabouchefan
Wed Jul 11, 2018 4:04 pm
 
Forum: Manhattan Prep GMAT CAT Math
Topic: In the figure to the right is b > a ?
Replies: 5
Views: 230
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In the figure to the right is b > a ?

In the figure to the right is b > a ? (Note: Figure not drawn to scale.) (1) a = 35 (2) a < 60 Not sure how to post a pic of the figure but the question is called "Angles on a Wheel" if you want to look it up. Based on how the diagram is drawn aren't a & b vertical angles and the...
by numberonelabouchefan
Sat Jul 21, 2018 2:00 am
 
Forum: Manhattan Prep GMAT CAT Math
Topic: In the figure to the right is b > a ?
Replies: 5
Views: 230
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Re: In the figure to the right is b > a ?

The important words here are "Figure not drawn to scale". When you see that, then you can't trust that angles that look similar are actually similar. Further, the diagram clearly shows three angles of different sizes each marked "a degrees" (meaning that, in reality, they are th...
by numberonelabouchefan
Sat Jul 21, 2018 2:39 am
 
Forum: GMAT Official Practice Test Math
Topic: How many 12 ounces cans of Orange juice is required?
Replies: 18
Views: 19258
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Re: How many 12 ounces cans of Orange juice is required?

Aren't all these explanations assuming that each can of water is the same volume as each can of concentrate(12 oz). This is never explicitly stated in the question and therefore isn't it possible that we would get a different answer for different volumes per can of water???
by numberonelabouchefan
Fri Jul 27, 2018 8:20 pm
 
Forum: Manhattan Prep GMAT CAT Math
Topic: In the figure to the right is b > a ?
Replies: 5
Views: 230
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Re: In the figure to the right is b > a ?

https://i.imgur.com/XDXFD20.png You're right that if the angles were vertical angles we would be able to get an answer from the question prompt alone. But assuming otherwise violates the instructions for the quant section per GMAC - "Lines shown as straight are straight, and li...