Cognik

A pause between pages

A little puzzle. A new idea.

Choose your answer, then reveal the reasoning. This is the same question as the Cognik App Clip.

Which domino comes next in the sequence?

?
  1. A
  2. B
  3. C
  4. D
Reveal the answer

Answer D

Find the next domino by extending the exact rule used in the shown sequence.

  1. Observe top and bottom lanes

    Use the visible tiles [3|4], [4|0], [0|4], [4|4], [4|1] to detect how values evolve.

  2. Identify the generation rule

    Each new value comes from top + bottom (mod 7).

  3. How each piece connects to the next

    [4|1] follows Each new value comes from top + bottom (mod 7).. So the next tile must be [1|5].

  4. Apply one more step

    Starting from [4|1], applying the rule yields [1|5] — the only option that continues the sequence.

The next tile must be [1|5]; that option is the only consistent continuation.

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