Question

One fifth of a number is $19$. What will be $42\%$ of that number will be?

• A. $38$
• B. $41.1$
• C. $39.9$
• D. $43$
• E. None of these

Answer 1

Answer: (C)

$39.9$

Let the number be $x$.

Then, $\frac{x}{5}=19$

$⟹x=19\times 5=95$

$\therefore \frac{42}{100}\times 95=\frac{399}{10}=39.9$