If a sum of money at compound interest amounts to thrice itself in 3 years, then in how many years w

English

Gujarati

Hindi

6.Interest

easy

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?

A

$9$

B

$6$

C

$7$

D

None of these

Solution

(b) Here, $n=3, t=3$ and $m=2$

$\therefore \quad$ The given sum will become 9 times itself in $m t,$ i.e.,

$2 \times 3=6$ years.

Standard 13

Quantitative Aptitude

Share

Similar Questions

Amit invested an amount of $Rs. 25000$ in fixed deposit @ $C.I.$ $8 \%$ per annum for $2$ $years$. What amount (In $Rs.$) Amit will get

medium

The compound interest (In ₹) on ₹ $2000$ at $5 \%$ per annum, compounded yearly, for $2$ years is

medium

Find the least number of complete years in which a sum of money put out at $20 \%$ compound interest will be more than double?

medium

There is $40 \%$ increase in an amount in $8$ years at simple interest. What will be the compound interest. (in rupees) of ₹ $30000$ after $2$ years at the same rate?

medium

Nikita invested ₹ $8000$ for $3$ years at $5 \%$ $C.I.$ in a post office. If the interest is compounded once in a year, what sum (In ₹) will she get after $3$ years?

easy