The sequence has every whole number except 13. The sequence follows this rule: The value of the number in position n is the number of appearances of the number n. Hint: think about why are there two 2s and two 3s. Named after the eminent mathematician Solomon Golomb (whose work inspired the game Tetris), this is an extremely pleasing pattern once you spot it.
Read only these letters, and treat them as if they are a Roman numeral. Roman numerals use the letters ‘i’, ‘v’, ‘x’, ‘l’, ‘c’ and ‘m’. Hint: write out one, two, three, four, five, six, seven, eight, nine, ten, eleven. What’s great with this puzzle is that the obvious answer – that you take the difference between the two numbers pointing to the same circle – seems to work beautifully, until you get to the final circle, since 21 – 13 is not 7.įor this question and the following ones, what number comes next? Thus, from top left, 7 + 2 + 9 + 9 = 27, and so on.
The rule is that you need to add the digits of the two numbers that point to the same circle. (No, the 7 in the final circle is not a mistake.)
What number goes in the circle with the ‘?’?
0 kommentar(er)
