Mathematics

Question

What comes next?
131,517,?,123

1 Answer

  • Answer:

    192

    Step-by-step explanation:

    Your sequence of numbers is

    131 517 … 123

    Space them as a two-digit sequence

    13 15 17 19 21 23

    Now, regroup then as a three-digit sequence

    131 517 192 123

    The missing number is 192.

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