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30 Oct 2011, 00:39
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1. Q. can be answered using statement 1 alone.
2. Q. can be answered using statement 2 alone.
3. Statement 1 & 2 both are needed to answer the Q.
4. Q. can’t be answered even using both the statements
Q. Given that, X and Y are non negative. What is the value of X?
1. 2X+2Y =20
a) 1 b) 2 c) 3 d) 4
I have conflict of answer.
2. Q. can be answered using statement 2 alone.
3. Statement 1 & 2 both are needed to answer the Q.
4. Q. can’t be answered even using both the statements
Q. Given that, X and Y are non negative. What is the value of X?
1. 2X+2Y =20
a) 1 b) 2 c) 3 d) 4
I have conflict of answer.
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30 Oct 2011, 02:45
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1. x+y<=20
x=0; y=1;
x=1; y=1
Not Sufficient.
2. x-2y>=20
x=20; y=0;
x=21; y=0
Not Sufficient.
Both;
x+y-(x-2y)<=20-20
3y<=0
y<=0
OR
y=0, as y is non-negative.
Substituting y=0,
x<=20 AND x>=20; thus, x=20
Ans: "C"
