Accountant wrote:

For how many integers n is 2^n=n^2

None

One

Two

Three

More than three

1. If n = 0, 2^0 (= 1) is not equal to 0^2 (0).

2. If n = 1, 2^1 is not equal to 1^1.

3. If n = 2, 2^2 = 2^2.

4. If n = 4, 2^4 = 4^2.

So only correct are 3, and 4.

C.

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Verbal: http://gmatclub.com/forum/new-to-the-verbal-forum-please-read-this-first-77546.html

Math: http://gmatclub.com/forum/new-to-the-math-forum-please-read-this-first-77764.html

Gmat: http://gmatclub.com/forum/everything-you-need-to-prepare-for-the-gmat-revised-77983.html

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