if -2x>3y, is x negative?
(1) y>0
(2) 2x+5y-20=0
OA D
if -2x>3y, is x negative?
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- selango
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-2x>3y or x/y<-1.5
stmt1,
y>0
Only if x is -ve,the above inequality is satisfied.
Suff
stmt2,
2x+5y-20=0
-2x=5y-20
-->5y-20>3y
y>10
-->-2x>30
Only if x is -ve,the above inequality is satisfied.
Suff
Pick D
stmt1,
y>0
Only if x is -ve,the above inequality is satisfied.
Suff
stmt2,
2x+5y-20=0
-2x=5y-20
-->5y-20>3y
y>10
-->-2x>30
Only if x is -ve,the above inequality is satisfied.
Suff
Pick D
--Anand--
- beatthegmatinsept
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One more vote for D.
Being defeated is often only a temporary condition. Giving up is what makes it permanent.
- goyalsau
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I picked A first ,selango wrote:-2x>3y or x/y<-1.5
stmt1,
y>0
Only if x is -ve,the above inequality is satisfied.
Suff
stmt2,
2x+5y-20=0
-2x=5y-20
-->5y-20>3y
y>10
-->-2x>30
Only if x is -ve,the above inequality is satisfied.
Suff
Pick D
nice explanation.