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p,r,s and t eqality

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Source: — Data Sufficiency |
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by cramya » Fri Oct 24, 2008 9:15 pm
Vishu I get D)

OA?
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by vishubn » Fri Oct 24, 2008 9:16 pm
yaaa Thats right ! , could u please elaborate more on this ramya !

I coundt the eq to co relate

VIshu
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by cramya » Fri Oct 24, 2008 9:55 pm
Stmt I)

s=3p t=3r

s/t = 3p/3r = p/r

SUFF

Stmt II

To prove p/r = s/t we could show pt=rs

1/2 = 2/4 => 4=4 true

3p=2r 3s=2t so p = 2r/ 3 and t = 3/2 s


pt = 2r/ 3 * 3/2 s
= rs

SUFF

D)
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