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What is the value of p?

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Joined: 02 Sep 2009
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What is the value of p?  [#permalink]

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New post 08 Feb 2018, 04:48
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

56% (00:43) correct 44% (01:12) wrong based on 52 sessions

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Re: What is the value of p?  [#permalink]

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New post 08 Feb 2018, 11:33
both the statements are required to answer this ques

by observation, each statement is not enough to ans

use both statements

u get 16=1, which is incorrect

it is possible only if both are 0
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Re: What is the value of p?  [#permalink]

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New post 08 Feb 2018, 21:56
Bunuel wrote:
What is the value of p?

(1) p = 4q

(2) q = 4p


Statement 1
We dont know anything about q, so cannot find p. Not sufficient.

Statement 2
We dont know anything about q, so cannot find p. Not sufficient.

Combining the two statements,
Substituting q=4p from second into first, we get
p = 4*4p = 16p or 16p-p = 0 or 15p = 0 or p=0. Thus p is 0. Sufficient.

Hence C answer.
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Re: What is the value of p? &nbs [#permalink] 08 Feb 2018, 21:56
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