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I Stared At This For Ages:

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vetuste_ennemi | 15:17 Mon 01st Apr 2019 | Quizzes & Puzzles
14 Answers
You have a go.

Find the number that doesn't belong in the series below.

331, 482, 551, 263, 383, 362, 284

Difficulty Level: Medium
a) 263
b) 383
c) 331
d) 551
e) 284
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Question Author
Clue: I think I might have found this easier without the multiple choice.
383
Question Author
You got there a damn sight faster than I did, FF.
383
Question Author
You beat me too, Johnny.
Question Author
Do either of you agree with my comment about the multiple choice?
Why, please?
To me it stands out on both lists but I'm not sure why they list include only 5 of the 7 as options
multiply first number by third number to get second number.
The only reason I can think of is that 383 has the same first and last digits.
Thanks, Angie.
It seems that I got it right but for the wrong reason:)
Question Author
Yes, the middle digit is the product of the outer two.

I'd noticed of each of the two numbers not in the "choose from" group had a reverse entry in the full list.
383, a palindromic number:)

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