A nightclub manager in Las Vegas noticed that his beer : GMAT Critical Reasoning (CR)
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# A nightclub manager in Las Vegas noticed that his beer

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A nightclub manager in Las Vegas noticed that his beer [#permalink]

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28 Jun 2013, 08:38
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73% (02:03) correct 27% (01:04) wrong based on 231 sessions

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A nightclub manager in Las Vegas noticed that his beer cooler at the bar was half empty by the end of the night while his energy drink cooler at the bar was 90% empty. As a result, the manager reasoned that he should increase the amount of energy drinks and decrease the amount of beer he ordered from the distributor each week.

Which of the following, if true, would most strengthen the manager's rationale for ordering more energy drinks and less beer?

(A) The two coolers at the bar in question are the only place in the nightclub where the energy drinks and beer are stored.
(B) On that day, a summer-special competition began that rewarded any nighclubber able to drink 5 energy drink vodkas in 5 minutes with $100 in prize money. (C) During that week, a special "New Year's Special" sale was in effect for the beer. (D) On the subsequent day, the remaining 10% of energy drinks all sold within the first hour after the nightclub reopened. (E) At the beginning of the day, the energy drink cooler was stocked with at least as many drinks as in the beer cooler. ' [Reveal] Spoiler: E The original source is from the GMATPill Practice Pill Platform. [Reveal] Spoiler: OA If you have any questions you can ask an expert New! Director Joined: 24 Aug 2009 Posts: 507 Schools: Harvard, Columbia, Stern, Booth, LSB, Followers: 17 Kudos [?]: 674 [0], given: 276 Re: Nightclub Drinks in Las Vegas [#permalink] ### Show Tags 28 Jun 2013, 09:05 A nightclub manager in Las Vegas noticed that his beer cooler at the bar was half empty by the end of the night while his energy drink cooler at the bar was 90% empty. As a result, the manager reasoned that he should increase the amount of energy drinks and decrease the amount of beer he ordered from the distributor each week. Which of the following, if true, would most strengthen the manager's rationale for ordering more energy drinks and less beer? On a special beer was sold 50% of the stock n energy drink was sold 90% of the capacity. But the author nowhere mentioned the capacity of the coolers. Because we want to prove that the author is correct, we have to show that the capacity of the energy drink cooler was at least equal to the capacity of the Beer cooler. (A) The two coolers at the bar in question are the only place in the nightclub where the energy drinks and beer are stored.- Even if these r the only places where beer or energy drink is sold, we still dont know the capacity of the coolers. Irrelevant. (B) On that day, a summer-special competition began that rewarded any night clubber able to drink 5 energy drink vodkas in 5 minutes with$100 in prize money. - OFS
(C) During that week, a special "New Year's Special" sale was in effect for the beer. - This option can weaken the argument
(D) On the subsequent day, the remaining 10% of energy drinks all sold within the first hour after the nightclub reopened. - We are concerned only about the previous day
(E) At the beginning of the day, the energy drink cooler was stocked with at least as many drinks as in the beer cooler. - Talks about capacity. n correctly states that capacity of the energy drink cooler was at least equal to the capacity of the Beer cooler. Correct

Hope the explanation will help many
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Re: A nightclub manager in Las Vegas noticed that his beer [#permalink]

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05 Jul 2013, 12:45

Here is original source: http://www.gmatpill.com/gmat-practice-t ... stion/1372

First, we must identify the conclusion as the area in the highlighted yellow box.

"He should restock more energy drinks" --this is what goes in the blue box.

And what is the based on? It's based on the stuff in the green box - all the information that was presented before the conclusion/argument was made.

If you notice two coolers and one seems more empty than the other, then naturally you should wonder:

1) Did they both start off full?
2) It seems as if lots of people are drinking energy drinks really fast - is that true?

These are things you should be thinking about BEFORE you look at the answer choices - this is the pre-thinking part so at least you have something in mind before you look at the answer choices.
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Re: A nightclub manager in Las Vegas noticed that his beer [#permalink]

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05 Jul 2013, 12:49

So (E) says suggests that the coolers were both stacked full from the beginning. Logically, from there, we could say that people must be drinking energy drinks at a faster rate - since the energy drink cooler is more empty.

But notice how we came into the answer choices already with something in mind - and that is that we wondered whether both coolers started from the same level. And (E) confirms that yes, they started from the same level.

And so that shows that people were indeed drinking energy drinks at a faster pace - again matching what we expected before looking at the answer choices.

This slide sums it up.
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Re: A nightclub manager in Las Vegas noticed that his beer [#permalink]

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17 Feb 2014, 11:17
According to me, Even choice E doesn't strengthen it. There is no need of raw data as only percentage is given in the argument. Let me try to explain :

Case 1) Before -> there are 10 energy drinks and 100 beers. After -> 1 energy drink left and 50 beers.

So next time i will order more energy drinks(lets say 15) and decrease the beers(lets say 60).

Case 2) Before-> there are 100 energy drinks and 100 beers. After -> 10 energy drink left and 50 beers.

So next time i can order more energy drinks(lets say 110) and decrease the beers(lets say 60).

case 3) Case 2) Before-> there are 200 energy drinks and 100 beers. After -> 20 energy drink left and 50 beers.
So next time i will order more energy drinks(lets say 220) and decrease the beers(lets say 60).

So, in each case i will order MORE energy drinks and LESS beers, regardless of the actual numbers.

I doubt on the sourcefor this one.
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Re: A nightclub manager in Las Vegas noticed that his beer [#permalink]

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18 Feb 2014, 11:30
GMATPill wrote:
A nightclub manager in Las Vegas noticed that his beer cooler at the bar was half empty by the end of the night while his energy drink cooler at the bar was 90% empty. As a result, the manager reasoned that he should increase the amount of energy drinks and decrease the amount of beer he ordered from the distributor each week.

At Midnight : Beer Cooler = 50% empty , Energy Drink Cooler = 90% Empty.

Increase the amount of energy drink and reduce the amount of Beer.

Which of the following, if true, would most strengthen the manager's rationale for ordering more energy drinks and less beer?

(A) The two coolers at the bar in question are the only place in the nightclub where the energy drinks and beer are stored.

Out of scope.

(B) On that day, a summer-special competition began that rewarded any nigh clubber able to drink 5 energy drink vodkas in 5 minutes with \$100 in prize money.

Absolutely Out of scope , irrelevant .

(C) During that week, a special "New Year's Special" sale was in effect for the beer.

Weakening the conclusion , the people visiting the Club not buying Beer Despite the special offer for New Years Sale.

(D) On the subsequent day, the remaining 10% of energy drinks all sold within the first hour after the nightclub reopened.

Irrelevant to the present discussion.

(E) At the beginning of the day, the energy drink cooler was stocked with at least as many drinks as in the beer cooler.

Yup this means that both the coolers had same quantity of Drinks in store , Definitely strengthening the claim that people like drinking energy drink to Beer.

Hence this must be the answer.

IMO (E) without any second thought...
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22 May 2014, 18:58
This is a very popular question. And an important one, but even if you aren’t following a plant-based diet, do YOU know how much protein you should be eating on a daily basis?
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Re: A nightclub manager in Las Vegas noticed that his beer [#permalink]

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07 Jul 2014, 03:10
i chose option E but i was confused b/w c & e..

option c says that a beer sale was on..Now even after a sale, less beer is being sold, that means people prefer energy drinks to beer..isnt c strengthening the argument??

confused.
Re: A nightclub manager in Las Vegas noticed that his beer   [#permalink] 07 Jul 2014, 03:10
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