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m,n
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vivek.kapoor83
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given both m and n >0
we cross-multipy
the question becomes, is mn+nx > mn + mx
mn + nx -mn - mx >0
x(n-m)>0
for this to be true
either x>0 and n>m
or x<0 and n<m
St1: gives only one info: INSUFFICIENT
st2: gives only one info: INSUFFICIENT
Together we know both x>0 and m<n: Sufficient
we cross-multipy
the question becomes, is mn+nx > mn + mx
mn + nx -mn - mx >0
x(n-m)>0
for this to be true
either x>0 and n>m
or x<0 and n<m
St1: gives only one info: INSUFFICIENT
st2: gives only one info: INSUFFICIENT
Together we know both x>0 and m<n: Sufficient
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vivek.kapoor83
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- Joined: Mon Aug 04, 2008 1:56 am
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hv query here,
for eq to be true both condition in each eq should be true.How can u choose 1 from stm1 & stm2 ..is this possible.?
for eq to be true both condition in each eq should be true.How can u choose 1 from stm1 & stm2 ..is this possible.?
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cramya
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To find m+x/n+x > m/n
(or) m+x/n+x - m/n>0
x(n-m)/n(n+x) >0
Stmt I
m<n
No idea what x could be or how n+x turns out
INSUFF
Stmt II
x>0
No info on m,n other than both are greater than 0
INSUFF
Together
x>0 m>0 n>0 n>m
x(n-m)/n(n+x) >0
SUFF
Choose C)
(or) m+x/n+x - m/n>0
x(n-m)/n(n+x) >0
Stmt I
m<n
No idea what x could be or how n+x turns out
INSUFF
Stmt II
x>0
No info on m,n other than both are greater than 0
INSUFF
Together
x>0 m>0 n>0 n>m
x(n-m)/n(n+x) >0
SUFF
Choose C)
