The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ? 4 8 16 None of these
Answers
Answered by
1
Let the ten digit be x, unit digit is y.
Then (10x + y) - (10y + x) = 36
=> 9x - 9y = 36
=> x - y = 4.
hence proved
Then (10x + y) - (10y + x) = 36
=> 9x - 9y = 36
=> x - y = 4.
hence proved
Similar questions