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Register now and save up to $200 Available with Beat the GMAT members only code • Free Trial & Practice Exam BEAT THE GMAT EXCLUSIVE Available with Beat the GMAT members only code • Free Practice Test & Review How would you score if you took the GMAT Available with Beat the GMAT members only code • 5-Day Free Trial 5-day free, full-access trial TTP Quant Available with Beat the GMAT members only code • Free Veritas GMAT Class Experience Lesson 1 Live Free Available with Beat the GMAT members only code • Get 300+ Practice Questions 25 Video lessons and 6 Webinars for FREE Available with Beat the GMAT members only code A total of s oranges This topic has 7 expert replies and 3 member replies rsarashi Master | Next Rank: 500 Posts Joined 24 Dec 2016 Posted: 186 messages Followed by: 2 members Upvotes: 5 A total of s oranges Thu Jan 26, 2017 9:14 am A total of s oranges are to be packaged in boxes that will hold r oranges each, with no oranges left over. When n of these boxes have been completely filled, what is the number of boxes that remain to be filled? A) s-nr B) s-(n/r) C) rs-n D) (s/n)-r E) (s/r)-n OAE GMAT/MBA Expert Rich.C@EMPOWERgmat.com Elite Legendary Member Joined 23 Jun 2013 Posted: 9309 messages Followed by: 478 members Upvotes: 2867 GMAT Score: 800 Sun Feb 05, 2017 10:52 am Hi rsarashi, This question includes 3 variables: S, R and N. When I decided to TEST VALUES, I chose the following variables: S = 6 R = 2 N = 1 The values for S and R are used to determine the total number of boxes. Based on how the question is worded, N has to be less than, or equal to, the total number of boxes. GMAT assassins aren't born, they're made, Rich _________________ Contact Rich at Rich.C@empowergmat.com rsarashi Master | Next Rank: 500 Posts Joined 24 Dec 2016 Posted: 186 messages Followed by: 2 members Upvotes: 5 Sun Feb 05, 2017 8:33 pm Quote: This question includes 3 variables: S, R and N. When I decided to TEST VALUES, I chose the following variables: S = 6 R = 2 N = 1 The values for S and R are used to determine the total number of boxes. Based on how the question is worded, N has to be less than, or equal to, the total number of boxes. Hi Rich , Thank you so much for your reply, but sill I really want to know that how come N=1, because here N = S/R so if we choose S=6 and R=2, then N will be 3 right? Please explain, where I am getting wrong? Thanks GMAT/MBA Expert Rich.C@EMPOWERgmat.com Elite Legendary Member Joined 23 Jun 2013 Posted: 9309 messages Followed by: 478 members Upvotes: 2867 GMAT Score: 800 Thu Jan 26, 2017 9:27 am Hi rsarashi, This question can be solved by TESTing VALUES. IF.... S = 6 R = 2 Then we're packing 6 oranges into boxes that will hold 2 oranges each... which means that there will be 3 boxes. N = 1 So after 1 (of the 3) boxes is filled, there will be 2 boxes left. Thus, we're looking for an answer that equals 2 when we test the above three values. Answer A: 6 - 2 = 4 NOT a match Answer B: 6 - 1/2 = 5.5 NOT a match Answer C: 12 - 1 = 11 NOT a match Answer D: 6 - 2 = 4 NOT a match Answer E: 3 - 1 = 2 This IS a match Final Answer: E GMAT assassins aren't born, they're made, Rich _________________ Contact Rich at Rich.C@empowergmat.com GMAT/MBA Expert DavidG@VeritasPrep Legendary Member Joined 14 Jan 2015 Posted: 2667 messages Followed by: 120 members Upvotes: 1153 GMAT Score: 770 Thu Jan 26, 2017 10:45 am rsarashi wrote: A total of s oranges are to be packaged in boxes that will hold r oranges each, with no oranges left over. When n of these boxes have been completely filled, what is the number of boxes that remain to be filled? A) s-nr B) s-(n/r) C) rs-n D) (s/n)-r E) (s/r)-n OAE Algebraically: If there are s oranges total and r oranges are packed into each crate, then the total number of crates required is s/r. If n crates have been packed, then there are still (s/r) - n left to pack. The answer is E _________________ Veritas Prep | GMAT Instructor Veritas Prep Reviews Save$100 off any live Veritas Prep GMAT Course

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Jay@ManhattanReview GMAT Instructor
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Thu Jan 26, 2017 9:15 pm
rsarashi wrote:
A total of s oranges are to be packaged in boxes that will hold r oranges each, with no oranges left over. When n of these boxes have been completely filled, what is the number of boxes that remain to be filled?

A) s-nr

B) s-(n/r)

C) rs-n

D) (s/n)-r

E) (s/r)-n

OAE
Hi rsarashi,

The challenge with Word Problems is that one must comprehend what the prompt states, and then transform the textual information into mathematical expression(s) or/and workable equation(s). Sometimes the usage of variables can make things look weird. With regards to this question, it's an easy question. Had the question been like this, it may have been easier for you.

A total of 100 oranges are to be packaged in boxes that will hold 10 oranges each, with no oranges left over. When 6 of these boxes have been completely filled, what is the number of boxes that remain to be filled?

Solution:

We need to accommodate 100 oranges in 10 boxes. This needs 100/10 = 10 boxes. Once 6 boxes are filled, 10 - 6 = 4 boxes remain to be filled.

The original question is identical to this one.

Number of remaining boxes to be filled = (s/r) - n.

Hope this helps!

-Jay
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Scott@TargetTestPrep GMAT Instructor
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Mon Jan 30, 2017 4:41 pm
rsarashi wrote:
A total of s oranges are to be packaged in boxes that will hold r oranges each, with no oranges left over. When n of these boxes have been completely filled, what is the number of boxes that remain to be filled?

A) s-nr

B) s-(n/r)

C) rs-n

D) (s/n)-r

E) (s/r)-n
Since there are a total of s oranges and they are going into n boxes that hold r oranges each, the number of oranges that can be put into these n boxes is rn. The number of oranges left to be put into boxes is s - rn. Finally, the number of boxes that are left to be filled is:

(s - rn)/r = s/r - (rn/r) = s/r - n

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Matt@VeritasPrep GMAT Instructor
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Wed Feb 01, 2017 6:39 pm
If we think about it conceptually we know that we've got n boxes, each with r oranges, giving us a total of n*r oranges already in boxes. That means we've still got s - nr oranges left. From here

Oranges left / Oranges per box =

(s - nr) / r =

s/r - n

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rsarashi Master | Next Rank: 500 Posts
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Sat Feb 04, 2017 8:32 pm
Quote:
Then we're packing 6 oranges into boxes that will hold 2 oranges each... which means that there will be 3 boxes.

N = 1
Hi Rich ,

If we have 6 oranges and each boxes hold 2 oranges, so that means n will be 3. So how come N=1?

Also in E option, we have to put n=3, so why did you put n=1?

Thansk

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Rich.C@EMPOWERgmat.com Elite Legendary Member
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Mon Feb 06, 2017 10:09 am
Hi rsarashi,

The prompt does NOT equate N to either of the other two variables. We're asked... after N of the boxes are filled, what is the number of boxes that REMAIN to be filled. This means that N <= (S/R). In my example, S/R = 6/2 = 3, so N would have to be 0, 1, 2 or 3. I chose N=1 because I thought that would be easy to deal with.

GMAT assassins aren't born, they're made,
Rich

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rsarashi Master | Next Rank: 500 Posts
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Tue Feb 07, 2017 8:26 am
Quote:
The prompt does NOT equate N to either of the other two variables. We're asked... after N of the boxes are filled, what is the number of boxes that REMAIN to be filled. This means that N <= (S/R). In my example, S/R = 6/2 = 3, so N would have to be 0, 1, 2 or 3. I chose N=1 because I thought that would be easy to deal with.

Hi Rich ,

Thank you so much for your explanation. All clear.

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