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In the following question, five number are given, four of which are alike in a certain way but the remaining one is different. Choose the one which is different from the other four.

Options

  1. A121
  2. B137
  3. C153
  4. D177

Correct answer

A. 121

Step-by-step solution

121 is the only perfect square number in the group. Others are non-perfect square numbers. Hence the answer is (1).

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