Question

If $0.8\times x=0.0004,$ then $x$ is equal to ?

• A. $0.0005$
• B. $0.005$
• C. $0.5$
• D. $0.00005$

Answer 1

The correct option is A $0.0005$

Given, $0.8\times x=0.0004$
$\Rightarrow \frac{8}{10}\times x=\frac{4}{10000}$

$\Rightarrow x=\frac{4}{10000}\times \frac{10}{8}$

$\Rightarrow x=0.0005$
Option $A$ is correct.