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# How many members are in the photography club? (1) If the photography c

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Math Expert
Joined: 02 Sep 2009
Posts: 51218
How many members are in the photography club? (1) If the photography c  [#permalink]

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13 Apr 2018, 01:01
00:00

Difficulty:

25% (medium)

Question Stats:

81% (01:01) correct 19% (01:12) wrong based on 23 sessions

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How many members are in the photography club?

(1) If the photography club doubles its membership, it will have at least 34 members.
(2) If the photography club loses 5 members, it will have fewer than 13 members.

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Joined: 28 Apr 2014
Posts: 49
GMAT 1: 640 Q50 V25
Re: How many members are in the photography club? (1) If the photography c  [#permalink]

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13 Apr 2018, 01:06
imo C

St1 at least 34 members means club can have more members also
insufficient

St2 less than 13 members can also give multiple values

Combining
34/2= 17 17-5=12 valid
36/2=18 18-5=13 invalid

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Status: It always seems impossible until it's done.
Joined: 16 Sep 2016
Posts: 422
GMAT 1: 740 Q50 V40
Re: How many members are in the photography club? (1) If the photography c  [#permalink]

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13 Apr 2018, 01:07
1
Bunuel wrote:
How many members are in the photography club?

(1) If the photography club doubles its membership, it will have at least 34 members.
(2) If the photography club loses 5 members, it will have fewer than 13 members.

Let the photography club currently have X members. X is an integer!

(1) 2X >= 34 .... X >= 17 Insuff

(2) X - 5 <= 12 ( fewer than 13 means at most 12) ... X <= 17Insuff

(1) + (2) : X >=17 & X <= 17. Therefore X = 17 Hence sufficient!

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Director
Joined: 02 Oct 2017
Posts: 728
Re: How many members are in the photography club? (1) If the photography c  [#permalink]

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28 Apr 2018, 05:07
I) 2x>=34
x>=17

II)x-5<13
x<18
Combining both x can only take 17 as value
So C

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Re: How many members are in the photography club? (1) If the photography c &nbs [#permalink] 28 Apr 2018, 05:07
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