Feb 13, 2020 · There are many number sequence puzzles on this site. I acknowledge them all. Martin Gardner introduced the puzzle with the 9 digit sequence with math operations, reaching 100 as …

Apr 16, 2015 · This question inspired me to write the same puzzle but instead replace the "= 100" with "= 1" with similar requirements and restrictions. What is the expression with the fewest number of …

Dec 11, 2018 · Using operators plus, minus, multiplied by and divide by, and as many brackets as you want, can you do a formula which uses 3, 3, 5 and 7 to make 24? Each number must be used and …

Sep 2, 2008 · Do you think that "3 5 7" is a direct reference to the staircase of freemasonry only, or that it has some symbolism on its own? I was thinking about this just a few minutes ago while ex

Feb 18, 2021 · What number should replace the "?" 1 13 15 7 7 10 8 5 11 4 5 ? Source: A modern approach to verbal and non-verbal reasoning - RS Aggarwal

Which number comes next in the sequence? 2, 7, 19, 47, 83, ___ Please remember to explain your reasoning and put your answer and reasoning behind spoilers. (Do >! and then your text to put one)

Any mathematics symbols and processes to use the numbers 3, 5, 6, and 7 once each to get 100.

Apr 14, 2015 · The sequence of numbers $1\ 2\ 3\ 4\ 5\ 6\ 7\ 8\ 9$ has the property that you can insert mathematical operators in between the numbers from $1$ to $9$ and make the ...

Mar 29, 2020 · A F B D E C G A+B+C = B+D+E = F+E+G Numbers 1,2,3,4,5,6,7Methodology: we want to put the largest and smallest numbers out on the corners, not on the intersections, so ...

Mar 6, 2023 · Use $1, 3, 5, 7, 9$ in any order to make number $985$: You must use all $5$ digits $1, 3, 5, 7, 9$ exactly once. You can make multi-digit numbers out of the numbers, e.g. $13$ or $975$. $+, …