Next Number in Series

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Find the next number in the series below

21 32 54 87 131 ?

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  • 2 Answer(s)

    186

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

    Viji_Pinarayi Expert Answered on 31st July 2022.
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    186

    The difference between the numbers is a multiplication of 11. Starts with 11 and than 22,33,44 so the next in line is 55. therefor   131+55=186

    Moshe Guru Answered on 3rd August 2022.
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