Among the given numbers 131, 151, 161, 181, 191, one is different from the others in one way. It is:

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  1. 131
  2. 181
  3. 161
  4. 191

Answer (Detailed Solution Below)

Option 3 : 161
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CT 1: Indian Polity (Making of the Constitution రాజ్యాంగాన్ని రూపొందించడం) Part 1
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Detailed Solution

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The logic followed here is:

131 → Prime number

151 → Prime number

161 Composite number

181 → Prime number

191 → Prime number

Hence, "Option 3" is the correct answer.

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