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4 November, 15:45

Find out the wrong number in the sequence.

623, 251, 543, 356

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  1. 4 November, 15:52
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    I think the wrong number is 623.

    Solution:

    623 = > 6 + 2 + 3 = 11

    251 = > 2 + 5 + 1 = 8

    543 = > 5 + 4 + 3 = 12

    356 = > 3 + 5 + 6 = 14.

    Except 11 all other numbers are even. So, 623 is the wrong number.
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