Interchanging Digits


 
 
Concept Explanation
 

Problems Involving Interchanging Digits

Interchanging Digits:

The general form of a two digit number overline{ab} is

overline{ab}=10times a+b    

On reversing the digits the number becomes overline{ba}    

overline{ba}=10times b+a

As the digit at tens place is b so we multiply b with 10 and then add a.

Now let solve the problems involving interchanging of digits.  

.... (More Text Available, Login?)
Sample Questions
(More Questions for each concept available in Login)
Question : 1

The difference between a 2- digit number and the number obtained by reversing the digit is 18.The difference between the two digit of that number is _____________

Right Option : B
View Explanation
Explanation
Question : 2

The difference between a 2- digit number and the number obtained by reversing the digit is 45 .The difference between the two digit of that number is _______________.

Right Option : A
View Explanation
Explanation
Question : 3

The difference between a 2- digit number and the number obtained by reversing the digit is 63.The difference between the two digit of that number is _____________

Right Option : D
View Explanation
Explanation
Chapters
Content / Category
Class / Course
 
 
 
Related Videos
Language - English


Students / Parents Reviews [10]