Question

a number consist of two digits whose sum is 9. if 27 is subtracted from the number it's digits are reversed. find the number.......​

Answer 1

Answer:

63

Step-by-step explanation:

63

6+3=9

63-27=36

HEHE BOI

Answer 2

Let a two digit number= xy
Given Digits sum. =x+y=9...............(1)
x+y-9=0

If 27 is subtracted from xy then the number become yx
xy-27= yx
(10x+y)-27=10y+x
9x-9y-27=0. Dividing with 9
x-y-3=0 .................(2)
From 1&2
2x-12=0
2x=12
x=6
Y=9-6=3
Required no =63
Verification

63-27=36