# in a 2 digit number the units digit is twice the tens digit.if 27 is added to the number the digits interchange their places.find their number

## Answers

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Let the number be 10x+y

y=2x

Interchanged number= 10y+x

y=2x

12x+27=21x

27=9x

3=x

10(3)+6= 36

(y=2x)

Answer_ (36,63)

y=2x

Interchanged number= 10y+x

y=2x

12x+27=21x

27=9x

3=x

10(3)+6= 36

(y=2x)

Answer_ (36,63)

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