Question

solve this numerical​

Answer 1

SEE THE AATACHMENT YOUR ANSWER IS THIS AND I THINK IT IS CORRECT

#TOGETHER WE GO FAR✔✔

Answer 2

Answer:

Let tens digit no.be X and unit digit no.be Y

A/q

=> x+y=9 -------(i)

=> 9(10*x+y)=2(10*y+x) --------(ii)

➟ 90x+9y=20y+2x

➟ 88x-11y=0

➟ 11x+11y=99 ----- from i

➟ 88x-11y=0

➟ 99x=99

➟ X =1

So , Y = 8

Hence the no.is 18