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Find out the number which does not belong to the set.

Question and options

Find out the number which does not belong to the set.
  1. 1
  2. 4
  3. 6
  4. 9

Answer and explanation

Correct answer: C - 6
1, 4 and 9 are perfect squares (1 x 1, 2 x 2 and 3 x 3). 6 is not the square of any whole number, so it does not belong to the set.

Practice for these exams

  • CUSAT CAT Five-Year LL.B.

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