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May 0608:30 AM PDT
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In Episode 3 of our GMAT Ninja Critical Reasoning series, we tackle Discrepancy, Paradox, and Explain an Oddity questions. You know the feeling: the passage gives you two facts that seem completely contradictory....- May 05
10:00 AM PDT
-11:00 AM PDT
GMAT Inequalities is a high-frequency topic in GMAT Quant, but many students struggle because the concepts behave differently from standard algebra. Understanding the right rules, patterns, and edge cases can significantly improve both speed and accuracy. - May 08
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Join the special YouTube live-stream for selecting the winners of GMAT Club MBA Scholarships sponsored by Juno live. Watch who gets these coveted MBA scholarships offered by GMAT Club and Juno.
07 Aug 2016, 17:53
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n=?
1) n^2=1
2) n^3=1
ANS: In the original condition, there is 1 variable (n) and there is a high chance that D is the correct answer.
In condition 1), we get n=-1 and 1. The answer is not unique and the condition is not sufficient.
In condition 2), we only have n=1. The answer is not unique and the condition is sufficient. Hence, the correct answer is B.
1) n^2=1
2) n^3=1
ANS: In the original condition, there is 1 variable (n) and there is a high chance that D is the correct answer.
In condition 1), we get n=-1 and 1. The answer is not unique and the condition is not sufficient.
In condition 2), we only have n=1. The answer is not unique and the condition is sufficient. Hence, the correct answer is B.
08 Aug 2016, 18:25
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Is a positive integer x a prime number?
1) All the prime factors of x are greater than √x
2) All the prime factors of x are 1 and itself
ANS: The original condition has 1 variable (x) and there is a high chance that D is the correct answer. Con 1) and con 2) both are the definition of prime number. Hence, the correct answer is D.
1) All the prime factors of x are greater than √x
2) All the prime factors of x are 1 and itself
ANS: The original condition has 1 variable (x) and there is a high chance that D is the correct answer. Con 1) and con 2) both are the definition of prime number. Hence, the correct answer is D.
22 Aug 2016, 19:52
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Is |a|=|b|?
1) a+b=0
2) a-b=2
*Answer: If we modify the original condition and the question, we get a=±b?. Since the condition 1) is a=-b, the answer is yes and the correct answer is A.
1) a+b=0
2) a-b=2
*Answer: If we modify the original condition and the question, we get a=±b?. Since the condition 1) is a=-b, the answer is yes and the correct answer is A.
