Interchanging Digits
Problems Involving Interchanging Digits
Interchanging Digits:
The general form of a two digit number is
On reversing the digits the number becomes
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.
The sum of the digit of a 2-digit number is 6. If the number obtained by interchanging the digits is 18 more than the original number. Find the sum of the number and the number obtained after interchange ? | |||
| Right Option : C | |||
| View Explanation | |||
The difference between a 2- digit number and the number obtained by reversing the digit is 27.The difference between the two digit of that number is _____________ | |||
| Right Option : C | |||
| View Explanation | |||
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 | |||
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