Practice Simple and compound interest Questions and Answers

• What will be the differnce between SI & CI on Rs. 20000 for 3 years at rate of 20% per annum ?
• What will be the differnce between SI & CI on Rs. 70000 for 3 years at rate of 40% per annum ?
• What will be the differnce between SI & CI on Rs. 5000 for 3 years at rate of 20% per annum ?
• What will be the differnce between SI & CI on Rs. 15000 for 3 years at rate of 10% per annum ?
• A certain sum at CI amounts to Rs 300 in 3 yr and to Rs 450 in 6 yr. Then the sum is ?         
• A certain sum at CI amounts to Rs 500 in 3 yr and to Rs 625 in 6 yr. Then the sum is ?         
• A certain sum at CI amounts to Rs 2400 in 3 yr and to Rs 3600 in 6 yr. Then the sum is ?         
• A sum of money gets thrice in 10 years , in how many years it will be 27 times in CI?
• A sum of money gets six times in 8 years , in how many years it will be 216 times in CI?
• A sum of money gets eight times in 15 years , in how many years it will be 512 times in CI?
• A sum of money will amount to Rs. 640 in 2 year & in 3 year it is to be 720  in compound interest . Find the rate of interest?
• A sum of money will amount to Rs. 480 in 2 year & in 3 year it is to be 540  in compound interest . Find the rate of interest?
• A took loan from a bank at the rate of 17%p.a. simple interest. After 5 years he had to pay Rs.6800 interest only for the period. The principal amount borr...
• David takes a loan of Rs. 20000 from his friend Alex, which he is to return at 10% p.a. simple interest after 5 years. Alex takes a loan from George, which...
• Ravi lends Rs. 10,000 to two of his friends. He gives Rs.5,000 to the first at 15% p.a. simple interest. Ravi wants to make a profit of 20% on the whole. T...
• Ravi lends Rs. 5,000 to two of his friends. He gives Rs.2500 to the first at 15% p.a. simple interest. Ravi wants to make a profit of 20% on the whole. The...
• Ravi lends Rs. 6000 to two of his friends. He gives Rs.3000 to the first at 15% p.a. simple interest. Ravi wants to make a profit of 20% on the whole. The ...
• A sum of money lent out at simple interest amounts to Rs.620 after 2 years and to Rs.1220 after a further period of 4 years. The sum is:
• If the difference of C.I and S.I on some amount is Rs.17 and the sum of the C.I and S.I is 75. Find the product of the C.I and S.I?
• The difference of S.I and C.I on an amount of Rs. 40000 for 2 years is Rs. 64. What is the rate of interest?
• The difference of S.I and C.I on an amount of Rs. 20000 for 2 years is Rs. 162. What is the rate of interest?
• At what % of simple interest per annum will Rs. 400 amount to Rs. 620 in five years?
• At what % of simple interest per annum will Rs. 500 amount to Rs. 610 in five years?
• At what % of simple interest per annum will Rs. 400 amount to Rs. 520 in five years?
• At what % of simple interest per annum will Rs. 400 amount to Rs. 580 in five years?
• At what % of simple interest per annum will Rs. 600 amount to Rs. 720 in five years?
• At what % of simple interest per annum will Rs. 320 amount to Rs. 480 in five years?
• At what % of simple interest per annum will Rs. 600 amount to Rs. 780 in five years?
• A certain sum of money will be doubled in 25 years at the rate of simple interest percent per annum is:
• A certain sum of money will be doubled in 4 years at the rate of simple interest percent per annum is:
• A certain sum of money will be doubled in 2 years at the rate of simple interest percent per annum is:
• A certain sum of money will be doubled in 80 years at the rate of simple interest percent per annum is:
• What sum of money must be given at simple interest for 3 months at 5% per annum in order to earn Rs. 220 interest?
• What sum of money must be given at simple interest for 8 months at 4% per annum in order to earn Rs. 320 interest?
• What sum of money must be given at simple interest for 9 months at 5% per annum in order to earn Rs. 360 interest?
• What sum of money must be given at simple interest for 8 months at 3% per annum in order to earn Rs. 260 interest?
• What sum of money must be given at simple interest for 3 months at 4% per annum in order to earn Rs. 240 interest?
• What sum of money must be given at simple interest for 5 months at 3% per annum in order to earn Rs. 260 interest?
• The difference between compound and simple interest on a sum of money for 2 years at 25% per annum is Rs. 880. The sum is:
• The difference between compound and simple interest on a sum of money for 2 years at 4% per annum is Rs. 626. The sum is: