Question

two digit number is 4 times the sum of its digits if 18 is added to the number the new number obtained is that by interchanging the digits of the original number find the number​

Answer 1

Answer:

Let the tens and unit digit of number are =x,y respectively

First condition :

⇒10x+y=4(x+y)⇒2x=y

Second condition :

⇒10x+y+18=10y+x

⇒x−y=−2

⇒x−2x=−2

⇒x=2

⇒y=4

two digit number =24

Step-by-step explanation:

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