Question

the sum of digit of two digit number is 9 if 27 is added to eat, the digit of number get reverse. find the number​

Answer 1

Step-by-step explanation:

let X and y are two digits

then x+y=9------eq(1)

the original number is 10x+y

according to the above equation

10x+y+27=10y+x

10x-x+y-10y =-27

9x-9y =-27(÷by9)

x-y =-3----eq(2)

on solving 1&2

2x=6

X=3

&y=6

therefore original number is 36