Practice Simple and compound interest Questions and Answers

• Mr. P invested Rs. ‘2x’ in scheme ‘A’ offering simple interest of 20% p.a. and reinvested the interest earned from scheme ‘A’ at the end of 4 y...
• Mr. P invested Rs. ‘8x’ in scheme ‘A’ offering simple interest of 25% p.a. and reinvested the interest earned from scheme ‘A’ at the end of 4 y...
• Mr. P invested Rs. ‘10x’ in scheme ‘A’ offering simple interest of 20% p.a. and reinvested the interest earned from scheme ‘A’ at the end of 4 ...
• A sum on simple interest becomes 9/4 times of itself in five years, find the rate of interest.
• The compound interest (compounded annually) on Rs 8200 for 2 years at R% p.a is Rs 1722. Had the rate of interest been (R+10)% p.a what would have been the...
• Sam invested a certain sum in scheme A for 5 years and in scheme B for 3 years, a sum which was double of that invested in scheme A. Both the schemes offer...
• A man invested certain sum at simple interest of r% p.a. such that it amounts to 130% of itself in 3 years. Find the interest earned when Rs. 3000 is inves...
• A man invested certain sum at simple interest of r% p.a. such that it amounts to 140% of itself in 2 years. Find the interest earned when Rs. 3200 is inves...
• A man invested certain sum at simple interest of r% p.a. such that it amounts to 160% of itself in 6 years. Find the interest earned when Rs. 2400 is inves...
• A man invested certain sum at simple interest of r% p.a. such that it amounts to 170% of itself in 7 years. Find the interest earned when Rs. 2800 is inves...
• A man invested certain sum at simple interest of r% p.a. such that it amounts to 110% of itself in 4 years. Find the interest earned when Rs. 3400 is inves...
• A man invested certain sum at simple interest of r% p.a. such that it amounts to 122% of itself in 5 years. Find the interest earned when Rs. 3000 is inves...
• A man invested certain sum at simple interest of r% p.a. such that it amounts to 124% of itself in 10 years. Find the interest earned when Rs. 10000 is inv...
• A borrowed Rs. 7000 from B for his business. How much amount A will return to B at the end of 30 months such that the sum was borrowed at simple interest o...
• A borrowed Rs. 7500 from B for his business. How much amount A will return to B at the end of 25 months such that the sum was borrowed at simple interest o...
• A borrowed Rs. 5500 from B for his business. How much amount A will return to B at the end of 21 months such that the sum was borrowed at simple interest o...
• A borrowed Rs. 9500 from B for his business. How much amount A will return to B at the end of 24 months such that the sum was borrowed at simple interest o...
• A borrowed Rs. 9500 from B for his business. How much amount A will return to B at the end of 36 months such that the sum was borrowed at simple interest o...
• A borrowed Rs. 6500 from B for his business. How much amount A will return to B at the end of 48 months such that the sum was borrowed at simple interest o...
• A borrowed Rs. 5200 from B for his business. How much amount A will return to B at the end of 15 months such that the sum was borrowed at simple interest o...
• Difference between simple interest and compound interest at the rate of 10% p.a. for 2 years is Rs 480, find the sum.
• Rs. 7,000 is invested in scheme ‘A’ offering simple interest of 12% p.a. and Rs. 8,000 in scheme ‘B’ offering simple interest of 6% p.a. What is th...
• Rs. 8,000 is invested in scheme ‘A’ offering simple interest of 18% p.a. and Rs. 6,000 in scheme ‘B’ offering simple interest of 7% p.a. What is th...
• Rs. 9,000 is invested in scheme ‘A’ offering simple interest of 20% p.a. and Rs. 6,500 in scheme ‘B’ offering simple interest of 8% p.a. What is th...
• Rs. 5,000 is invested in scheme ‘A’ offering simple interest of 16% p.a. and Rs. 6,600 in scheme ‘B’ offering simple interest of 9% p.a. What is th...
• Rs. 5,500 is invested in scheme ‘A’ offering simple interest of 15% p.a. and Rs. 8,000 in scheme ‘B’ offering simple interest of 5% p.a. What is th...
• Rs. 6,500 is invested in scheme ‘A’ offering simple interest of 14% p.a. and Rs. 9220 in scheme ‘B’ offering simple interest of 5% p.a. What is the...
• Rs. 6,600 is invested in scheme ‘A’ offering simple interest of 13% p.a. and Rs. 2500 in scheme ‘B’ offering simple interest of 4% p.a. What is the...
• If the ratio of the sum invested and simple interest received after 1 year is 20:9 respectively, then find the rate of interest.
• If the ratio of the sum invested and simple interest received after 1 year is 25:7 respectively, then find the rate of interest.
• If the ratio of the sum invested and simple interest received after 1 year is 20:7 respectively, then find the rate of interest.
• If the ratio of the sum invested and simple interest received after 1 year is 25:11 respectively, then find the rate of interest.
• If the ratio of the sum invested and simple interest received after 1 year is 20:13 respectively, then find the rate of interest.
• If the ratio of the sum invested and simple interest received after 1 year is 25:6 respectively, then find the rate of interest.
• If the ratio of the sum invested and simple interest received after 1 year is 25:16 respectively, then find the rate of interest.
• A sum of money invested for 2 years at 20% compounded annually and similar money invested for 3 years on simple interest at 10% per annum. If the differenc...
• A man invested certain sum at 5% p.a. simple interest for his son who was 15 years old. If the amount received by the son when he was 30 years old is Rs. 7...
• A man invested certain sum at 10% p.a. simple interest for his son who was 17 years old. If the amount received by the son when he was 30 years old is Rs. ...
• A man invested certain sum at 5% p.a. simple interest for his son who was 10 years old. If the amount received by the son when he was 30 years old is Rs. 4...
• A man invested certain sum at 8.5% p.a. simple interest for his son who was 20 years old. If the amount received by the son when he was 26 years old is Rs....