Reasoning • Analogy & Odd One OutMedium
Which number is the odd one out: 87, 103, 19, 197?
A. 87✓ Correct Answer
B. 103
C. 19
D. 197
💡 Solution & Explanation
103, 19, 197 are each a prime number. 87 is not a prime number, so it is the odd one out.
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