CAT Quantitative Ability Questions | CAT Algebra questions
CAT/2004
Question . 114
The total number of integer pairs (x, y) satisfying the equation x + y = xy is
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Explanatory Answer
Method of solving this CAT Quantitative Ability Question from Algebra question
(c) Equation x + y = xy can be satisfied for (x, y) ≡ (0, 0), (2, 2)
Hence, total no. of integer pairs (0 and 2) = 2