Question

a number is a two digit number which is three more than 4 times of tje sum of the digits . if 18 is added to the number the digit get opposite . find the number?

Answer 1

Let Number be 10x+y
then given
10x+y=4(x+y)+3
6x=3y+3-----------1
also given if
10x+y+18=10y+x
9x+18=9y
x+2=y
put the value of y in 1 eq
we get
6x=3(x+2)+3
3x=9
x=3
y=5 the number is 10x+y=35