PU-MET : Panjab University MBA Entrance Exam with MCQ Answers 2011

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45.

Consider the set S of all real numbers except —1 and the binary operation * on S defined by a*b=a+b+ab. Considerke equation 2*x*2*2.2 in S. Then x is :

A: 9/8
B: —9/8
C: 8/9
D: -8/9

The answer is: D

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