Question

If we place an extra digit 1 at the beginning, we get a number three times smaller than if we put that digit 1 at the end of the number?

Answer 1

Sorry I don’t know the answer

Answer 2

Answer:

What 5-digit number has the following property? If we put numeral 1 in front of the number, we get a number three times smaller, than if we put the numeral 1 behind this number.