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Aarushi225
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DI 30 Jun 2024, 23:34
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Can someone help me out with this DI question please !!

­https://gmatclub.com/forum/lenses-used-in-outer-space-video-recording-devices-obviously-428214.html­

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DI 01 Jul 2024, 02:47
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Something looks wrong with 2nd drop down. It should be decreased rather than increased.
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DI 01 Jul 2024, 05:45
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Source is others so seems to be a not so fool-proofed question
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Aarushi225
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DI 02 Jul 2024, 06:14
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­Oh Alright!
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GMAT695
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DI 02 Jul 2024, 06:26
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Aarushi225
­Oh Alright!
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Try sticking to official questions only for DI.

Posted from my mobile device
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Aarushi225
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DI 02 Jul 2024, 12:02
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­If p is a positive integer, is p > 4 ?

(1) p^4 > 256
(2) (p^2 -1)(p - 4) > 0

This question's answer is D.
What would be the answer if in the (a) part, its p^4=256?­
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DI 02 Jul 2024, 12:07
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Aarushi225
­If p is a positive integer, is p > 4 ?

(1) p^4 > 256
(2) (p^2 -1)(p - 4) > 0

This question's answer is D.
What would be the answer if in the (a) part, its p^4=256?­
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P can be equal to 4 or -4. Then the statement won’t be sufficient.
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DI 02 Jul 2024, 12:25
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Aarushi225
­If p is a positive integer, is p > 4 ?

(1) p^4 > 256
(2) (p^2 -1)(p - 4) > 0

This question's answer is D.
What would be the answer if in the (a) part, its p^4=256?­
Show more
­This question is discussed here:

if-p-is-a-positive-integer-is-p-327162.html

Worth noting though that such type of pure algebraic questions are no longer a part of the DS syllabus of the GMAT.

DS questions in GMAT Focus encompass various types of word problems, such as:

  • Word Problems
  • Work Problems
  • Distance Problems
  • Mixture Problems
  • Percent and Interest Problems
  • Overlapping Sets Problems
  • Statistics Problems
  • Combination and Probability Problems

While these questions may involve or necessitate knowledge of algebra, arithmetic, inequalities, etc., they will always be presented in the form of word problems. You won’t encounter pure "algebra" questions like, "Is x > y?" or "A positive integer n has two prime factors..."

Check GMAT Syllabus for Focus Edition

Hope it helps.­

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