Question

Sum of the digits of a two - digit number is 9. When we interchange the digits ,it is found that the resulting new number is greater than the original number by 27 . What is the two digit number ?​

Answer 1

Answer:

36

Step-by-step explanation:

63-36 = 27

3+6=9

Hope it will help you...

Answer 2

let the unit's digit be X

ten's digit is 9-x

number = 90-10x+X

=90-9x

interchanged number

=10x-x+9

=9x+9

(9x+9)-(90-9x)=27

9x+9-90+9x=27

18x - 81=27

18x=27+81

X=108/18

X=6

Therefore the number is 36