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Question 18
Read the following question and decide which of the given statements is/are sufficient.
Question:
Is Y > 0 ?
Statements:
1. X + Y > 0
2. X - Y > 0
Solution
From statement 1 Y can be positive or negative as when Y is negative XÂ can be positive
From statement 2 Y can be positive or negative as when X is positive Y can be negative
So by using the both statements we cannot say that Y>0
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