Question

The difference of the digit of two of the digit cannot be

Answer 1

Answer:

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Step-by-step explanation:

Answer

Let the unit's digit be y and ten's digit be x.

Then, the number =10x+y. When we interchange the digits, the number will be 10y+x.

Now, it is given that the difference between a two digit number and the number obtained by interchanged the two digits of the number is 9, therefore, we have:

(10x+y)−(10y+x)=9

⇒9x−9y=9

⇒9(x−y)=9

⇒x−y=

9

9

⇒x−y=1

Hence, the difference between the two digits of number is 1.

Answer 2

The number obtained by interchanging the two digits of a two digit number is lesser than the original number by 54. In a two digit number, the ten's digit is bigger. The product of the digits is 27 and the difference between two digits is 6.