Alphametic – Cryptarithm 3 x ABC is CCC

Question If the digits 2,3,7 and 6 are arranged randomly so as to form a four-digit number,then how…

Someone asked (Question): “You have 17 red and 17 blue balls, and you remove 2 at a time….

Question Find in terms of n, the n th term of the sequence: 1/3 , 2/5 , 3/7,…