Replied to the first one in your earlier post ..
From 1 O could be between or maybe not
a,b = 3 ,1 distance greater but not between
a,b = 3 ,-1 distance greater but between
Yes and no
Hence insufficient
From 2
take a = 3 b = 1 condition does not hold true
for the condition to hols 0 has to between a and b
take a case where 0 is between a and b like 3 ,-1
It wil always be true for any others numbers as well
Hope this helps
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questions from gmatprep
Source: Beat The GMAT — Data Sufficiency |
From 1 10 are even so other 10 have ot odd HEnce sufficient
From 2 10 are multiples of 4 ..but we are not given anything about the other 10 ..cud be even or odd
Hence insufficient
From 2 10 are multiples of 4 ..but we are not given anything about the other 10 ..cud be even or odd
Hence insufficient



















