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General questions

by alltimeacheiver » Mon May 02, 2011 8:14 pm
is x>y

1 o<x<o.75

2 0.25<y<.10


ques 2 If mrs white's monthly payback after deduction is $523.50. what is her montly salary

1 15 percent of her salary over $50 is withheld for incometax

2 All deductions except income tax amount 6 percent of her monthly salary.
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Source: — Data Sufficiency |

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by Anurag@Gurome » Mon May 02, 2011 8:26 pm
alltimeacheiver wrote:is x>y

1 o<x<o.75

2 0.25<y<.10


ques 2 If mrs white's monthly payback after deduction is $523.50. what is her montly salary

1 15 percent of her salary over $50 is withheld for incometax

2 All deductions except income tax amount 6 percent of her monthly salary.
In Q1, statement 2 is not correct. Pls check it again. Is it 0.25 < y < 1.0?
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by alltimeacheiver » Mon May 02, 2011 8:35 pm
yes u r right. I am sorry for mistake here

it is 0.25<y<1.o
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by Anurag@Gurome » Mon May 02, 2011 8:40 pm
alltimeacheiver wrote:yes u r right. I am sorry for mistake here

it is 0.25<y<1.o
Thanks!

Q1. Is x > y?

1. 0 < x < 0.75

2. 0.25 < y < 1.0

Explanation:

(1) No info on y. So, NOT SUFFICIENT.

(2) No info on x. Again, NOT SUFFICIENT.

Combining (1) and (2), If x = 0.74 and y = 0.50, then x > y.
If x = 0.74 and y = 0.90, then x < y. So, x may or may not be greater than y.
So, combining also is NOT SUFFICIENT.

The correct answer is E.
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by alltimeacheiver » Mon May 02, 2011 10:00 pm
acc to u the ans is e but I want know that how x=0.50, 0.74
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by Anurag@Gurome » Mon May 02, 2011 10:03 pm
alltimeacheiver wrote:acc to u the ans is e but I want know that how x=0.50, 0.74
I have used the picking number approach here. Using statements (1) and (2), have taken random values of x and y to check if x > y always. But picking random values within the given range it can be seen that x > y is not always true.
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by alltimeacheiver » Tue May 03, 2011 8:04 pm
thanks .

Pls provide ans for second ques
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