Reasoning • Analogy & Odd One OutMedium
Which number is the odd one out: 181, 71, 153, 31?
A. 181
B. 71
C. 153✓ Correct Answer
D. 31
💡 Solution & Explanation
181, 71, 31 are each a prime number. 153 is not a prime number, so it is the odd one out.
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