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tanyajoseph
- Master | Next Rank: 500 Posts
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- Joined: Wed May 30, 2007 6:17 am•Followed by: 1 member
Lets say r = 0.5 so s= 0.5
Then w = 70
But r>0.5 which means as r increases, s decreases which means w will always <70 (try with r = 0.6)
So A is sufficient
From 2 we get nothing
Hence A
