Question

W, X, Y and Z are integers and form numbers WXYZ, WXY and XZ such that WXYZ = WXY$\times$XZ.
What is the value of X ?

• A. 3
• B. 2
• C. 1

Answer 1

The correct option is C 1

$WXYZ=WXY\times XZ$
$XZ=10X+Z$
$WXYZ=WXY(10X+Z)$

Comparing we get $\Rightarrow$ X = 1 and Z = 0