Question

a number consist of two digits. If the digits interchange their places and the new number is added to the original number, then the number becomes two times of the original number. Find the number

Answer 1

Heya

_______________________________

let the number consists of two digit be xy

ACCORDING TO THE QUESTION

10y + x + 10x + y = 2 ( 10x + y )

=>

10y + x = 10x + y

=>

9y - 9x = 0

=>

y = x

Here, there are infinitely possible values of x and y

Exp:-

if x = y = 1

ACCORDING TO THE QUESTION

11 + 11 = 2 ( 11 )

=>

22 = 22

EXP:-

If x = y = 4

44 + 44 = 2 ( 44 )

88 = 88

Similar there are infinitely possible values of x and y

Answer 2

Answer:

it is the right answer to the numerals