2009 September 10th, 11:02 PM
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#1 (permalink) |
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try. try . try
Join Date: Apr 2009
Location: Bloomfield Hills, MI
Posts: 11
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Math Question
What is the value of y?
(1) When y is multiplied by 6, the result is between 40 and 45. (2) When y is multiplied by 3, the result is between 19 and 23. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. EACH statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT SUFFICIENT OA is E Why isn't it D ? |
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2009 September 10th, 11:43 PM
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#2 (permalink) |
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650 and aiming higher
 
Join Date: Sep 2009
Location: Lowell,MA,USA
Posts: 349
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Because unless it is stated whether y is a fraction or an integer, there can be several possible values of y satisfying both the statements. Hence they together are not sufficient
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2009 September 11th, 08:31 AM
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#4 (permalink) |
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first attempt:timed out
Join Date: Jul 2008
Posts: 842
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yea E.
From I y may be = 7, 7.1 From II y may be = 7.2, 7.3 I and II: No overlapping value for y. SO, E
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