Practice Simple and compound interest Questions and Answers

• A sum of Rs.80 is lent to be returned in 90 months installments of Rs.10 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?
• A builder borrows Rs.195100 to be paid back with CI at the rate of 4% per annum in three equal yearly installments. How much will each installment will?
• 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. 15000 for 3 years at rate of 10% per annum ?
• A certain sum at CI amounts to Rs 1200 in 3 yr and to Rs 1800 in 6 yr. Then the sum is ?         
• 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 1800 in 3 yr and to Rs 2700 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 double in 5 years , in how many years it will be 8 times in CI?
• 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?
• What will be the net CI on Rs. 10000 for 4 years at 10% p.a compounded annually?
• What will be the net CI on Rs. 5000 for 4 years at 30% p.a compounded annually?
• What will be the net CI on Rs. 8000 for 4 years at 20% p.a compounded annually?
• What will be the net CI on Rs. 12000 for 4 years at 10% p.a compounded annually?
• What will be the net CI on Rs. 2000 for 4 years at 40% p.a compounded annually?
• A sum of money will amount to Rs. 672 in 2 year & in 3 year it is to be 714 in compound interest . Find the rate of interest?
• A sum of money will amount to Rs. 250 in 2 year & in 3 year it is to be 350 in compound interest . Find the rate of interest?
• A sum of money will amount to Rs. 500 in 2 year & in 3 year it is to be 700 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...
• Vishwas has Rs. 4500. He gives this money to Manoj on simple interest and after 4 years received the double amount. If the interest rate is 5% more than th...
• Vishwas has Rs. 5000. He gives this money to Manoj on simple interest and after 4 years received the double amount. If the interest rate is 5% more than th...
• Vishwas has Rs. 2500. He gives this money to Manoj on simple interest and after 4 years received the double amount. If the interest rate is 5% more than th...
• Vishwas has Rs. 3600. He gives this money to Manoj on simple interest and after 4 years received the double amount. If the interest rate is 5% more than th...
• 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. 4800 to two of his friends. He gives Rs.2400 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 Rs. 20000 was invested in a scheme. The rate of simple interest offered for three years was 10%, 6% and 4% per annum respectively. After three yea...
• Raman gave 50% of his savings of 126150 to his wife and divided the remaining sum among his two sons Aman and Bhusan of 15 and 13 years of age respectively...
• A sum of money lent at compound interest at the rate of 30% per annum is paid back in three equal annual installments of Rs.4394. Find the sum of money?
• 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?