The two statements are clearly insufficient alone.
Combining I & II
r+s=1
r=1-s
s=1-r
v=1-r = 1-1+s= s
u=1-s = 1-1+r= r
v=s
u=r
Hence C.
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DS question
Source: Beat The GMAT — Data Sufficiency |
why do you sayparallel_chase wrote:The two statements are clearly insufficient alone.
Combining I & II
r+s=1
r=1-s
s=1-r
v=1-r = 1-1+s= s
u=1-s = 1-1+r= r
v=s
u=r
Hence C.
v=1-r
u=1-s
when it's different in the task?
