n=?
1) n^2=1
2) n^3=1
The OA is B.
Why the second statement is sufficient but the first one isn't? Could anyone give me an explanation? Please.
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n=?
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Statement 1:M7MBA wrote:n=?
1) n^2=1
2) n^3=1
Case 1: n=1, with the result that n² = 1² = 1
Case 2: n=-1, with the result that n² = (-1)² = 1
Since n can be different values, INSUFFICIENT.
Statement 2:
Here, the only one option for n is possible:
n=1.
SUFFICIENT.
The correct answer is B.
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I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
My students have been admitted to HBS, CBS, Tuck, Yale, Stern, Fuqua -- a long list of top programs.
As a tutor, I don't simply teach you how I would approach problems.
I unlock the best way for YOU to solve problems.
For more information, please email me (Mitch Hunt) at [email protected].
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