Question

in a 2 digit number, the units digit is x and the tens digit is 2x, what is the number?

Answer 1

Answer:

0 is the answer

Step-by-step explanation:

2=2x

2÷2=x

0=x

Answer 2

Step-by-step explanation:

given,

Unit digit = x

Tens digit = 2x

ATQ,

$10(2x) + x$

$20x + x$

$30x$

on interchanging the no.

$10(x) + x$

$10x + x$

$11x$

The no. is

$30x - 11x$

$19x$

x =19