Question : What will be the compound interest accrued on a sum of Rs. 64,000 at the rate of 5% per annum in 2 years compounded annually?
Option 1: Rs. 8550
Option 2: Rs. 4580
Option 3: Rs. 3050
Option 4: Rs. 6560
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Correct Answer: Rs. 6560
Solution : Principal, $P$ = Rs. 64,000 Rate of interest, $R$ = 5% Time, $T$ = 2 years Total amount = $P(1+\frac{R}{100})^{T}$ ⇒ Total amount = $64000(1+\frac{5}{100})^2$ ⇒ Total amount = $64000(\frac{21}{20})^2$ ⇒ Total amount = $64000×\frac{21}{20}×\frac{21}{20}$ ⇒ Total amount = $70560$ Compound interest = Total amount – Principal = 70560 – 64000 = Rs. 6560 Hence, the correct answer is Rs. 6560.
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Question : At what rate of compound interest (compounding annually) per annum will a sum of Rs. 250000 becomes Rs. 275625 in 2 years?
Option 1: 8% per annum
Option 2: 3% per annum
Option 3: 10% per annum
Option 4: 5% per annum
Question : The compound interest (compounding annually) on a certain sum for 2 years at the rate of 20 percent per annum is Rs. 2420. What will be the simple interest on the same sum for 3 years at the same rate of interest?
Option 1: Rs. 3300
Option 2: Rs. 3000
Option 3: Rs. 3800
Option 4: Rs. 4200
Question : The difference between the simple interest and the compound interest at the same rate for INR 32,000 for 2 years is 80. What is the rate of interest, if in the case of compound interest, interest is compounded annually?
Option 2: 2% per annum
Option 3: 5% per annum
Option 4: 12% per annum
Question : On a certain sum of money, the simple interest for 2 years is INR 150 at the rate of 10% per annum. What is the difference between compound interest and simple interest for 2 years if, in the case of compound interest, interest is compounded annually at the rate of 10% per annum?
Option 1: INR 5
Option 2: INR 10
Option 3: INR 7.5
Option 4: INR 12.5
Question : If interest is being compounded annually, then what sum will amount to Rs. 4036.8 in 2 years at the rate of 16% per annum at compound interest?
Option 1: Rs. 3000
Option 2: Rs. 1500
Option 3: Rs. 4000
Option 4: Rs. 2500
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