The difference between a twodigit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and 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? 


(a) 
4 
(b) 
8 
(c) 
16 
(d) 
None of these 
The difference between a twodigit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and 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? 


(a) 
4 
(b) 
8 
(c) 
16 
(d) 
None of these 
Since the number is greater than the number obtained on reversing the digits, so the ten’s digit is greater than the unit’s digit.
Let the ten’s digit be and the unit’s digit be
Then,
Required difference =