Alipta got some amount of money from her father. In how many years will the ratio of the money and the interest obtained from it be 10 : 3 at 6% simple interest per annum ?
A. 7 years B. 3 years C. 5 years D. 4 years Answer: Option CShow Answer
Solution(By Apex Team)
Let Principal and simple Interest is;
$\begin{array}{l}=10x,3x\\
\text{ and time is }=t\\
\Rightarrow3x=\frac{10x\times6\times t}{100}\\
\Rightarrow t=\text{ 5 years }\end{array}$
EN 
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