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greater than the value of C – D

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greater than the value of C – D

by sanju09 » Thu Sep 16, 2010 10:45 pm
If A, B, C, and D are all positive numbers, is the value of A - B greater than the value of C - D?

(1) A + D = B + C.

(2) A and B are each greater in value than either C or D.




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Source: — Data Sufficiency |
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by kvcpk » Sat Sep 18, 2010 6:59 am
IMO A

stmt1 can be rephrased to question.
stmt2 is insuff bcos it doesnt state the relationship between A and B or C and D.
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by pradeepkaushal9518 » Sat Sep 18, 2010 8:27 am
A,B,C,D >0

A-B >C-D ?

1.A+D=B+C

A-B=C-D SO A-B CANNOT BE >C-D SUFF A AND D

2 A>C OR D B>C OR D

NO INFORMATION FOR A-B OR C-D SO INSUFF

SO A
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by Gurpinder » Sat Sep 18, 2010 8:35 am
(A)

(1) is a=b and d=c
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