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Is m=0 a solution to this inequality?

If x>0 then is x=0 a solution?
If m^2 > 5^2 then m=5 a solution?
If m^2 > 0 then m=0 a solution?

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One need not find the exact value of variable in Data Sufficiency question.

A GMAT data sufficiency question is made up of a question and two statements, labeled (1) and (2). Your job is to decide whether the data given in each of the statements is sufficient (enough) to answer the given question.


A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient
C. Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
D. EACH statement ALONE is sufficient
E. Statements (1) and (2) TOGETHER are NOT sufficient


gmatgyan
Is m=0 a solution to this inequality?

If x>0 then is x=0 a solution?
If m^2 > 5^2 then m=5 a solution?
If m^2 > 0 then m=0 a solution?

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gmatbusters

Thanks for this refresher.

Still doesn't answer the questions raised here.. please give point by point refutal on them.

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What is meant by "this" inequality in your doubt? Are you asking a new question or the question in thread?

For the question in thread,

In is....? Type questions, one need to answer in Yes or No.

If m =0, is m²/n>0? Reduces to is 0>0?
Answer is No

If m not =0 and n >0, answer is Yes

One need not find exact value of m. In fact, for the above Question, exact value of m can not be determined.

Even a definite NO is alao taken as sufficiency


gmatbusters
One need not find the exact value of variable in Data Sufficiency question.

A GMAT data sufficiency question is made up of a question and two statements, labeled (1) and (2). Your job is to decide whether the data given in each of the statements is sufficient (enough) to answer the given question.


A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient
C. Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
D. EACH statement ALONE is sufficient
E. Statements (1) and (2) TOGETHER are NOT sufficient


gmatgyan
Is m=0 a solution to this inequality?

If x>0 then is x=0 a solution?
If m^2 > 5^2 then m=5 a solution?
If m^2 > 0 then m=0 a solution?

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The answer to your query is NO.

gmatgyan
Is m=0 a solution to this inequality?

If x>0 then is x=0 a solution? NO
If m^2 > 5^2 then m=5 a solution?NO
If m^2 > 0 then m=0 a solution?NO

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The Solution of question is as follows:


Attachment:
WhatsApp Image 2020-01-28 at 10.28.41 PM.jpeg
WhatsApp Image 2020-01-28 at 10.28.41 PM.jpeg [ 66.8 KiB | Viewed 1219 times ]
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gmatbusters
Is \(\frac{m^2}{n} \)>0?

1) \(m-2n>1\)
2) \(2<n<7\)

GMATbuster's Collection

2 conditions are necessary for \(\frac{m^2}{n} \)>0

1. m is non zero
2. n is positive

1) \(m-2n>1\)
Or \(n<\frac{m-1}{2}\)

If m=0, NO
If m=10 and n=1, YES

1 is not sufficient

2) \(2<n<7\)

No info about m

2 is not sufficient

(1)+(2)

n is positive and m>2n+1 so m is positive

Since m and n are both positive,

\(\frac{m^2}{n} \)>0 is true

Sufficient

Answer is (C)

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