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If a, b, c, and d are positive integers, is (a/b) (c/d) > [#permalink]
 16 Mar 2005, 19:22
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If a, b, c, and d are positive integers, is (a/b) (c/d) > c/b?
(1) c > b
(2) a > d
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.
Explain Pls!!!
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SVP
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"B"
rearrange....(a/d)*(c/b) > c/b....we can see that only when a > d, the left hand side will be bigger...state 2 gives us that...suff
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SVP
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Lets refrase the question: is (ac)/(bd)>c/b? or a/d>1?
from (i), c > b. we do not know whether a>d or a<d.
from (ii), a > d. if so, a/d>1. so (ii) is suff.
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Director
Joined: 07 Jun 2004
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solve the stems u will get is C > D
answer B
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