Quote: Originally Posted by boohbah
im going with either 68 (for factor of 11 ) or 69 (for my original post theory)
as there is no 116 it cant be 79,
its almost like an optical illusion your mind assumes there is a 116 therefore you add 22 by mistake
wheres dwarf he knows !
The answer is 79
, and here's the explanation. The first digit, 7
, is the last number of the 3-digit number, and the second digit, 9
, is the sum of all 3 numbers in the 3-digit number.