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vijaynarayanan
- Senior | Next Rank: 100 Posts
- Posts: 40
- Joined: Sat Jan 30, 2010 10:38 am
St 1:vijaynarayanan wrote:
I feel the answer should be C. Can anyone explain why it is B
1 is in S
so -1 will also be in the set. Fine..Biu what abt -4?? No idea..Insuffcien
St 2: 2 is in the set
So -2 is in the set
2* -2 = -4 is also in the set....
Pick B
