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MATH QUESTION OF THE DAY


If R is an integer between 1 and 100, what is the value of R?

(1) One of R’s digits is 2 more than the other, and the sum of the digits is 10.
(2) R > 50

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


 

 
 Submitted Answers
Student: 1/29/2010 9:52:52 AM
e
   
Student: 1/29/2010 10:09:42 AM
Ans is A.
Given R is between 1 and 100. Option1: Sum of the digits is 10. So the possibilities are 5 5, 4 6, 3 7, 2 8, 1 9. One digit is 2 greater than other digit. So the result would be 46. This is sufficient.

Option2 is not sufficient as there are lot of numbers in the given possibility.
   
Student: 1/29/2010 3:14:49 PM
Answer is C. Could be 46 or 64. Only 64 is >50 (limitation given by statement 2.
   
Student: 1/29/2010 10:06:58 PM
C
   
Student: 2/21/2010 5:31:10 AM
a
   
 
    Answer

The correct answer is C.


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