Question : Rs. 7205 is invested in a scheme of compound interest (compounding annually). If the rate of interest is 20% per annum, what is the interest earned (in Rs.) in 1 year?
Option 1: Rs. 1422
Option 2: Rs. 1540
Option 3: Rs. 1441
Option 4: Rs. 1544
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Correct Answer: Rs. 1441
Solution : Given: Principle ($P$) = Rs. 7205 Rate of compound interest ($R$) = 20% per annum Time ($T$) = 1 year So, the total interest = $P(1+\frac{R}{100})^T-P$ = $7205(1+\frac{20}{100})^1-7205$ = $7205(\frac{6}{5})-7205$ = 8646 – 7205 = Rs. 1441 Hence, the correct answer is Rs. 1441.
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Question : Find the sum of money invested by a man in a scheme that offers compound interest(compounding annually) at a 6% rate of interest per annum if compound interest for 2 years is Rs. 618.
Option 1: Rs. 7000
Option 2: Rs. 9000
Option 3: Rs. 5000
Option 4: Rs. 4000
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 difference between simple interest and compound interest (compounding of interest is done annually) on a certain sum of money for 3 years at the rate of 20 percent per annum is Rs. 192. What is the sum?
Option 1: Rs 1500
Option 2: Rs 1400
Option 3: Rs 1000
Option 4: Rs 1200
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
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