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Directions for the below question:

Each question is followed by two statements A and B. Answer each question using the below instructions.

Mark(1) if the question can be by using statement A alone but not by using statement B alone.

Mark(2) if the question can be answered by sing statement B alone but not by using statement A alone.

Mark(3) if the question can be answered by using both the statements together but not by using either of the statements alone.

Mark(4) if the question cannot be answered on the basis of the two statements.

Consider the integers x, y, and z. What is the maximum possible value of $x^2 +y^2 + Z^2$?

1. ​x+y+z=89
2. Among x, y, z two are equal
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