Question

plz solve this problem

Answer 1

unit digit =3x
tens digit=x
original no.=10x+3x
reversed no.=30x+1
A.T.Q
30x+x=36+(10x+3x)
31x=36+13x
31x-13x=36
18x=36
x=36÷18
x=2
unit digit =2
tens digit =3×2
=6
no.=(6×10)+2
=60+2
=62