Question

a number consisting of two digits become 5/6of itself if it's digit are interchanged. If the difference of the digit is 1 ,find the number​

Answer 1

Step-by-step explanation:

Let the number be= 10a+b

10b+a= 5/6(10a+b)

and a-1= b,

5(10a+a-1)= 6(10a-10+a)

55a-5= 66a-60,

11a=55,

a=5, b= 4

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