Question : What will be the amount of Rs. 12500 at the rate of 20% per annum compounded yearly for 3 years?
Option 1: Rs. 21080
Option 2: Rs. 21560
Option 3: Rs. 20600
Option 4: Rs. 21600
Correct Answer: Rs. 21600
Solution : Principal, P = Rs. 12500 Rate of interest, $r$ = 20% Time, $n$ = 3 years According to the question, Amount = P[$(1+\frac{r}{100})^n$], where P is principal, $r$ is the rate of interest compounded annually for $n$ years. ⇒ Amount = 12500$(1+\frac{20}{100})^3$ = 12500$(\frac{6}{5})^3$ = 12500$×\frac{216}{125}$ = Rs. 21600 Hence, the correct answer is Rs. 21600.
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Question : What will be the amount received on Rs. 25000 at the rate of 20% per annum compounded yearly for 4 years?
Option 1: Rs. 51840
Option 2: Rs. 50350
Option 3: Rs. 53550
Option 4: Rs. 48750
Question : What is the Compound Interest (in Rs.) on Rs. 12500 at the rate of 12% per annum compounded yearly for 2 years?
Option 1: Rs. 3000
Option 2: Rs. 2980
Option 3: Rs. 3050
Option 4: Rs. 3180
Question : At what time will Rs. 64000 amount to Rs. 68921 at 5% per annum, with interest being compounded half-yearly?
Option 1: $3$ years
Option 2: $2\frac{1}{2}$ years
Option 3: $2$ years
Option 4: $1\frac{1}{2}$ years
Question : An amount was lent for two years at 20% per annum, compounded annually. Had the compounding been done half-yearly, the interest would have increased by Rs. 241. What was the amount (in Rs.) lent?
Option 1: Rs. 10,000
Option 2: Rs. 12,000
Option 3: Rs. 20,000
Option 4: Rs. 24,000
Question : A sum amounts to INR 7,562 in 4 years and to INR 8,469.44 in 5 years at a certain rate per annum, when the interest is compounded yearly. The rate of interest is:
Option 1: 12%
Option 2: 15%
Option 3: 20%
Option 4: 8%
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