What is the value of x?

Question

(1) x + y = 0
(2) x – y = 0

stonecold · Answer

Clearly Statement 1 and 2 are not sufficient on their own.
Adding the two equations we can say that x must be zero.
Hence C

Abhishek009 · Answer

FROM STATEMENT - I   ( INSUFFICIENT )

x = - y

FROM STATEMENT - II   ( INSUFFICIENT )

x = y

FROM STATEMENT - I & II   ( INSUFFICIENT )

2x = 0

So, x = 0
  
Hence, BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked, answer will be (C)

Vinayak Shenoy · Answer

from statement 1
x + y= 0 ==> x= -y
no definite value for x
hence insufficient

from statement 2
x - y = 0 ==> x = y
no definite value for x
hence insufficient

combining 
we get x=0 by solving the equations
Hence C

Badari · Answer

Statement 1 
x + y= 0 ==> x= -y
value for x can be any thing, example (1-1 =0 /0+0 =0) X can be 1 or 0 or anyting.
Hence S1 insufficient

Statement 2 
x - y = 0 ==> x = y
no definite value for x
 S2 is insufficient

combining Statement 1 and Statement 2
we get x=0 
Hence C

jkolachi · Answer

Awesome explanation!

What is the value of x?

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