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A certain voting bloc has how many voters?

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Senior Manager
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V
Joined: 02 Jan 2017
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A certain voting bloc has how many voters?  [#permalink]

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New post 27 Feb 2017, 08:35
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

81% (01:24) correct 19% (01:22) wrong based on 71 sessions

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A certain voting bloc has how many voters?

(1) If no additional voters are added to the bloc, and 4 of the current voters leave the bloc, there will be fewer than 20 voters.
(2) If 4 more voters join the bloc and all of the present voters remain, there will be at least 27 voters
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Re: A certain voting bloc has how many voters?  [#permalink]

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New post 27 Feb 2017, 08:45
Both together are sufficient and hence answer should be C. 19 voters


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Re: A certain voting bloc has how many voters?  [#permalink]

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New post 27 Jun 2017, 05:32
Let the voters be N.
From a) we get N<24 So insufficient.
From b) we get N>=23 So insufficient.

On combining we get a unique value of N=23. So c) is sufficient.
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Re: A certain voting bloc has how many voters?  [#permalink]

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New post 17 Jul 2017, 22:35
Value based question.
Let's assume Value of voters in block be V.
From st-1
V-4<20 or V-4≤19
Not sufficient
From st-2
V+4≥27
Not sufficient
Combine both statement
ONLY 23 is able to satisfy.
C is the answer. Both statement sufficient.

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Re: A certain voting bloc has how many voters?   [#permalink] 17 Jul 2017, 22:35
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