Find the difference between $C.I. \& S.I.$ on $Rs. 15000$ at $3 \%$ per annum for $3$ years?
$40.91$
$73.91$
$39.91$
$30$
The value of a machine depreciates at the rate of $12$ $per$ $cent$ per annum. It was purchased $3$ $years$ ago. Its present value is $Rs. 29644.032$, what was the purchase price (In $Rs.$) of the machine?
A sum of money amounts to ₹ $6655$ at the rate of $10 \%$ compounded annually for $3$ years. The sum of money is (In ₹)
If a sum of money at compound interest amounts to thrice itself in $3$ years, then in how many years will it be $9$ times itself?
How many statements are useful for find this :
What is the rate of interest percent $p.a.$?
$Statements:$
$I$. The difference between the compound interest and simple interest earned in two years on the amount invested is ₹ $100$.
$II$. The amount becomes ₹ $19,500$ in three years on simple interest.
$III$.The simple interest accrued in two years on the same amount at the same rate of interest is ₹ $3,000$.
Mr. Dua invested money in two schemes $A$ and $B$ offering compound interest at $8 \%$ per annum and $9 \%$ per annum respectively. If the total amount of ineterest accrued through two schemes together in two years was ₹ $4818.30$ and the total amount invested was ₹ $27000$ . What was the amount (In ₹) invested in scheme $A$.