How this type works
Write what you add or multiply each step. Check it works for every jump, then do one more step.
Example. 3, 6, 9, 12 — add 3 each time, so next is 15.
Room: Number series
Write what you add or multiply each step. Check it works for every jump, then do one more step.
Example. 3, 6, 9, 12 — add 3 each time, so next is 15.
Room: Number series