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MATH QUESTION OF THE DAY


If n is a positive integer and p = 3.021 × 10n, what is the value of n?

1. 3,021 < p < 302,100
2. 103 < p < 105

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 sufficien


 

 
 Submitted Answers
Student: 3/3/2010 4:35:54 AM
The answer is D as both of the statements are sufficient alone.
   
Student: 3/3/2010 7:31:39 AM
D
   
Student: 3/9/2010 6:37:54 PM
Are you sure D is the right answer?

I know statement 1 is sufficient because the only possible p value between 3,021 and 302,100 exclusively is 30210; thus, n = 4

For statement 2 (1000 < p < 100,000), there are two possible p satisfying the condition. 3,021 and 30,210. Thus, n = 3 or 4.
Statement 2 is not sufficient.

Therefore, the answer should be A.
   
Student: 6/4/2010 7:30:56 PM
^ Agreed
   
Student: 7/14/2010 6:56:38 PM
The correct answer is c.
   
Student: 5/29/2011 7:00:18 AM
D
   
Student: 6/23/2011 4:45:57 PM
can anyone explain why the answer shud be D
   
Student: 7/6/2011 4:27:54 PM
Vinit
A
   
Student: 7/6/2011 4:29:33 PM
If Statement 2 alone is used, then we get 2 answers, which is certainly not a definite answer.
Statement 1 alone is enough.
So i think the answer should be A.
   
Student: 10/30/2012 7:48:41 AM
Is D really the right answer?
   
 
    Answer

The correct answer is D.


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