Practice Simple and compound interest Questions and Answers

• A man wants to invest Rs. 60660 in bank accounts of his two sons whose ages are 12 years and 16 years in such a way that they will get equal amount at an a...
• A Motorbike can be purchased on cash payment of Rs. 30000. But the same Motorbike can also be purchased on the cash down payment of Rs 7000 and the rest ca...
• A farmer wants to divide Rs 2,81,800 between his sons , who are 17 and 19 years old respectively, in such a way that the sum divided at the rate of 12% per...
• Mark invested Rs 15,000 in a scheme at simple interest 20% per annum. After three years he withdrew the principal amount plus invested the entire amount in...
• Rs 2000 are invested at 5% per annum simple interest. If the interest is added to the principal after every 15 years, the amount will become Rs 4,000 after...
• The simple interest on a certain sum of money for 4 years at 16% per annum is 2/5th of the compound interest on Rs. 6000 for 2 years at 20% per annum. The ...
• A sum was put at simple interest at a certain rate for 7 years. Had it been put at 6 % higher rate, it would have fetched Rs. 1260 more. Find the sum?
• A man invested Rs.45000 in a fixed deposit scheme for 3 yrs at CI of 12% p.a. How much will a man get on maturity of the fixed deposit?  ...
• If Rs. 35,000 amounts to Rs. 42350 in two years compounded annually, find the rate of interest per annum. 
• In what time will Rs. 21000 amount to Rs. 27951 @ 10% compound interest?
• In what time will Rs. 2500 amount to Rs. 3327.5 @ 20% compound interest payable half-yearly? 
• What will be the difference between the SI and CI @ 10%p.a on a sum of Rs. 9000 for 4 years?  
• A sum of Rs.8 is lent to be returned in 9 months installments of Rs.1 each, interest simple. The rate of interest is: -
• A sofa of MRP 450 is available in Rs.90 cash down payment and 9 monthly equal installment of Rs.45 each. Find the rate of interest per annum.
• A sofa of MRP 2500 is available in Rs.500 cash down payment and 9 monthly equal installment of Rs.250 each. Find the rate of interest per annum.
• What annual installment will clear a debt of ₹4,500 due in 5 years at 8% p.a. simple interest?
• 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 ?
• 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...
• 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?