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GMAT-MATHS-->View question

36. If p and q are integers, such that p<0

36. If p and q are integers, such that p<0<q, which of the following must be true?
I. 2p<2q
II. p^2<q^2
III. p+q=0
(A) I only
(B) II only
(C) I and II only
(D) I and III only
(E) I, II and III


Asked On2019-04-08 13:46:20 by:naikaumprakash

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Answers
given question, p is negative number and q is positive number.
So clearly 2p.
Hence option A is correct.

Answerd on:2019-05-14 Answerd By:PrashantIIST

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Answer 36(A)
Variables in the answer choices, plug in!! lets plug in p=-2 and q=2. Now verify all the
choices given. We get II false. So all the answers which contain II should go. So (B), (C)
and (E) go. Since two answer choices remain we plug in once more. Put p=-2 and q=3.
Now we can see that III is false. So the answer is (A).

Answerd on:2019-06-05 Answerd By:Jaynil-Gaglani

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