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Hard Number Series Riddle

Hard Number Series Riddle - 8 May

Find the next number in the series

21 32 54 87 131 ?

For Solution : Click Here

7 comments:

  1. 186.

    21+11=32
    32+22=54
    54+33=87
    87+44=131
    131+55=186.

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  2. This comment has been removed by the author.

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  3. 186
    the difference between the numbers are multiples of 11

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