Question

A student was asked to divide a number by $3$. But instead of dividing it, he multiplied it by $3$ and got $29.7$. What was the correct answer?

• A. $3.3$
• B. $9.3$
• C. $9.8$
• D. $9.9$

Answer 1

Answer: (A)

$3.3$

Let the number be $x$.

According to the question,

$\Rightarrow$ $x\times 3=29.7$

$\therefore$ $x=\frac{29.7}{3}=9.9$

$\therefore$ Required correct answer $=\frac{9.9}{3}=3.3$