Question

The sum of the digits of a two- digit number is 9 . The number is 6 times the unit digit . Find the number.

Answer 1

Answer:

Let a number be,XY

as we can write it as 10X+Y

it implies number is 10X+Y

Now,

According to question,X+Y=9

And 10X+Y=6Y

it implies 2X=Y

But, X+Y=9

it implies 3X=9

it implies X=3

it implies Y=6

Therefore required number is XY=36.

Answer.