10, 19, 31, 46, 64, ?

  • Option 1)

    82

  • Option 2)

    100

  • Option 3)

    102

  • Option 4)

    85

  • Option 5)

    92

Answers (1)

10, 19, 31, 46, 64, ?

Difference in the series is 9, 12, 15 and so on.

Difference adds with 3 in each step. So, at the end, 18+3= 21

Then, 64+21= 85

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