Question

the difference between a two digit number and the number obtained by interchanging its digit exceeds the given number by 9 find the original number​

Answer 1

Answer:

Answer will be--- 12,23,34,45,56,67,78,89

Step-by-step explanation:

Let, the number be= x+10y

By interchanging its figits the number becomes= 10x+y

According to the question,

(10x+y)-(x+10y)= 9

=>9(x-y)=9

=>x-y=1

So there will be many numbers which follow tge question such as, 12, 23, 34, 45, 56, 67, 78, 89.