Question

a number consists of two digit. the digit at tens place is two times the digit at unit place. The number formed by reversing the digit is 27 less than the orignal number. Find the orignal number.
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Answer 1

Answer:

hey mate

Step-by-step explanation:

Let the unit digit be x tense be y

no=10y+x

y=2x

10x+y=10y+x-27

9x-9y+27=0

x-y+3=0

x-2x+3=0

-x+3=0

x=3

y=6