Choose the numeral pair which is odd and different from others.
Solution
✅ Correct Option: 3
In three pairs, the first number equals the second number multiplied by two less than itself: $23\times21=483$ $26\times24=624$ $38\times36=1368$ But $31\times29=899$, not 1023. In fact, $1023=31\times33$. So $(1023,31)$ is the odd pair.
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