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# There are 450 birds at a small zoo. The number of birds is 5 times the

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Math Expert
Joined: 02 Sep 2009
Posts: 52971
There are 450 birds at a small zoo. The number of birds is 5 times the  [#permalink]

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28 Aug 2016, 09:49
00:00

Difficulty:

15% (low)

Question Stats:

91% (01:04) correct 9% (01:21) wrong based on 65 sessions

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There are 450 birds at a small zoo. The number of birds is 5 times the number of all the other animals combined. How many more birds are there than nonbird animals at the zoo?

A. 400
B. 360
C. 270
D. 180
E. 90

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Re: There are 450 birds at a small zoo. The number of birds is 5 times the  [#permalink]

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28 Aug 2016, 10:27
Bunuel wrote:
There are 450 birds at a small zoo. The number of birds is 5 times the number of all the other animals combined. How many more birds are there than nonbird animals at the zoo?

A. 400
B. 360
C. 270
D. 180
E. 90

Total birds = 450 = 5 * Other Anilmals (X)

or X = 90.

So, Difference in Birds and X = 450-90 = 360.
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Joined: 05 Sep 2015
Posts: 43
Re: There are 450 birds at a small zoo. The number of birds is 5 times the  [#permalink]

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30 Aug 2016, 06:12
ANSWER: B If the 450 birds are 5 times the number of non-bird animals, then non-birds=450/5=90. 450-90=360 more birds than non-birds at the zoo.
Joined: 13 Jan 2015
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Re: There are 450 birds at a small zoo. The number of birds is 5 times the  [#permalink]

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02 Sep 2016, 13:29
I know I am getting it wrong but this is how I interpreted the question:

Birds : Non Birds
5x : x
So the overall is 6x =450
x= 75

Question is asking us to find 5x-x ----> 4x =4 * 75 = 300 (which is not in the answer choices )
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Re: There are 450 birds at a small zoo. The number of birds is 5 times the  [#permalink]

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03 Sep 2016, 01:24
1
Tmoni26 wrote:
I know I am getting it wrong but this is how I interpreted the question:

Birds : Non Birds
5x : x
So the overall is 6x =450
x= 75

Question is asking us to find 5x-x ----> 4x =4 * 75 = 300 (which is not in the answer choices )

We are given Total birds = 450 , not total animals.

So, it should be 5x=450 or x=90.

The highlighted portion above is incorrect.
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Joined: 09 Sep 2013
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Re: There are 450 birds at a small zoo. The number of birds is 5 times the  [#permalink]

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15 Dec 2017, 08:26
Hello from the GMAT Club BumpBot!

Thanks to another GMAT 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).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
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Re: There are 450 birds at a small zoo. The number of birds is 5 times the   [#permalink] 15 Dec 2017, 08:26
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