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KCET2007MathematicsMathematical Reasoning

Which of the following is not a group with respect to the given operation?

Options

  1. AThe set of even integers under addition
  2. BThe set, of odd integers under addition
  3. C0 under addition
  4. D1,-1 under multiplication

Correct answer

B. The set, of odd integers under addition

Step-by-step solution

The set of odd integers under addition is not a group. Since, under addition 0 is identity element which is not an odd number.

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