Question

The sum of the digit of a two digit number 12 if the new number formed by reversing the digit is grater then origanal number by 54. Find the origanal number​

Answer 1

Answer:

93

Step-by-step explanation:

The sum of digits of two digit number is 12. If the new number formed by reversing the digits is less than the original number by 54. Find the original number?

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Let the digits of the number be x and y

x+y=12 & 10x+y=(10y+x)+54

10x+y-10y-x=54

9x-9y=54

x-y=6

x+y=12

2x=18

x=9

y=12–9=3

Therefore the number is 93 //

93–39=54