If the two digit number it's tens digit number three times is unit digit. If the interchange number find new number. Difference between original number and new number 54. Find the original number.
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Answer:
93
Step-by-step explanation:
Let say 'x' is digit in one's place so 3x is digit in tens place.
So number is 10.3x+x=31x
Now if interchanging the position of digit new number is 10x+3x=13x
As given now number is less than 54 from old number.
31x−54=13x
⇒31x−13x=54
⇒18x=54
⇒x=54/18
⇒x=3
So, the number is 10.3.3+3=93
∴ The original number is 93.