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If P and Q are integers and P^Q

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G
Joined: 07 Jun 2017
Posts: 174
Location: India
Concentration: Technology, General Management
GMAT 1: 660 Q46 V38
GPA: 3.6
WE: Information Technology (Computer Software)
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If P and Q are integers and P^Q  [#permalink]

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New post 09 Oct 2017, 02:32
5
00:00
A
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Difficulty:

  45% (medium)

Question Stats:

58% (01:30) correct 42% (01:20) wrong based on 131 sessions

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If P and Q are integers and \(P^Q=16, |P-Q| = ?\)

1. Q is not equal to 1
2. P is positive

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Naveen
email: nkmungila@gmail.com
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Posts: 7036
Re: If P and Q are integers and P^Q  [#permalink]

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New post 09 Oct 2017, 03:12
1
1
nkmungila wrote:
If P and Q are integers and \(P^Q=16, |P-Q| = ?\)

1. Q is not equal to 1
2. P is positive



What all can be the values of P and Q..
P is 16 and Q =1...
P is 4, Q =2
P is -4, Q is 2
P is 2 and Q is 4
P is -2 and Q is 4

Let's see the statements
1) Q is not EQUAL to 1
There are four other cases..
|4-2|=2..
|-4-2|=6
Insufficient
2)p is positive
|4-2|=2
|16-1|=15
Insufficient

Combined
Only two cases
|4-2|=2
|2-4|=2
Ans is always 2
Sufficient

C
_________________

1) Absolute modulus : http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
2)Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html
3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html


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Re: If P and Q are integers and P^Q &nbs [#permalink] 09 Oct 2017, 03:12
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If P and Q are integers and P^Q

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