I believe 6231 is the odd one out. It is the only odd number and the rest are even numbers.
Thank you for running the competition, it is really very fun :)
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I believe 6231 is the odd one out. It is the only odd number and the rest are even numbers.
Thank you for running the competition, it is really very fun :)
I think you'll find that 7895 is an odd number too ;-)
LoL yeah you're right. Completely missed that.