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