Question

In a two digit number, the units digit is $x$ and the Ten's digit is y. Then the number is.

• A. $10y+x$
• B. $10x+y$
• C. $10y-x$
• D. $10x-y$

Answer 1

Answer: (B)

$\text{ Unit place }=x$
$\text{ Ten’s place }=-10y$
$-10y+(x\times 1)=10y+x$