- #1
thagamizer
- 5
- 0
how many 5 digit numbers are there in which every two neighbouring digits differ by 3?
can you please tell me if i have to do this all by trial and error or is there some sort of formula i need to make to do this
thanks
can you please tell me if i have to do this all by trial and error or is there some sort of formula i need to make to do this
thanks