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What is next in this series? 1, 4, 10, 19, 31, _?

HELP!!!

8 Answers

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  • Eddie
    Lv 5
    1 decade ago
    Favorite Answer

    1 + 3 = 4

    4 + 6 = 10

    10 + 9 = 19

    19 + 12 = 31

    31 + 15 = 46

    *You are adding numbers by multiples of 3 so after that you would go 46 + the next multiple of 3 which would be 18 so.. 46 + 18 = 64.. and so on. 64 + 21, etc.

  • mumm
    Lv 4
    4 years ago

    1 4 10 19 Series

  • 1 decade ago

    46

  • Ana
    Lv 4
    1 decade ago

    46. Each term is formed by adding the next multiple of three to the term before.

    1+3 = 4

    4 + 6 = 10

    etc

    Hope this helps!

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  • 1 decade ago

    46

  • 1 decade ago

    3/ 6/ 9 / 12 / +15...

    Answer = 46

  • 6 years ago

    60

  • 1 decade ago

    46. is this a homework question?

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