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Practice Simple and compound interest Questions and Answers

Rs.7800 is divided into two parts such that if one part be invested at 3% and the other at 5%, the annual interest from both the investments is Rs. 320. Fi...
Rs.5400 is divided into two parts such that if one part be invested at 6% and the other at 9%, the annual interest from both the investments is Rs. 435. Fi...
Rs.6600 is divided into two parts such that if one part be invested at 4% and the other at 6%, the annual interest from both the investments is Rs. 372. Fi...
A sum of money doubles itself in 8 years in how many years it will be 5 times?
What will be the ratio of simple interest earned on certain amount at the same rate of interest for 3 years and that for 9 years?
What will be the ratio of simple interest earned on certain amount at the same rate of interest for 8 years and that for 10 years?
What will be the ratio of simple interest earned on certain amount at the same rate of interest for 5 years and that for 10 years?
What will be the ratio of simple interest earned on certain amount at the same rate of interest for 6 years and that for 16 years?
The difference between compound interest and simple interest at the same rate for Rs. 3600 for 2 years is Rs. 36. The rate of interest per annum is:
The difference between compound interest and simple interest at the same rate for Rs. 1800 for 2 years is Rs. 18. The rate of interest per annum is:
The difference between compound interest and simple interest at the same rate for Rs. 2400 for 2 years is Rs. 216. The rate of interest per annum is:
The difference between compound interest and simple interest at the same rate for Rs. 1200 for 2 years is Rs. 48. The rate of interest per annum is:
The simple interest on a sum of money is 8/25 of the sum. If the number of years is numerically half the rate per annum, then find the rate percent per ann...
The simple interest on a sum of money is 9/20 of the sum. If the number of years is numerically half the rate per annum, then find the rate percent per ann...
The simple interest on a sum of money is 4/25 of the sum. If the number of years is numerically half the rate per annum, then find the rate percent per ann...
There is 40% increase in an amount in 8 years at simple interest. What will be the compound interest of Rs. 16,000 after 3 years at the same rate?
1000 rupees is invested in a scheme p.a. simple interest. Another amount (1000 – x) is invested in scheme B at 2R% p.a. simple interest. After 5 year...
The simple interest received after 5 years on Rs. (x + 500) at the rate of 20% p.a. is Rs. (2x – 1500). The amount received on Rs. 3x when invested a...
Rs. P invested at R% p.a. gives simple interest and compound interest (compounded annually) of Rs. 640 and Rs. 665.60 respectively at the end of 2 years. F...
Same amounts are invested in two schemes with 8% interest for 2 years, one scheme at S.I. and another scheme at CI. If he received Rs. 41875.2 after 2 year...
A borrows Rs 7000 from B at 10% p.a compound interest compounded annually. At the end of every year he pays Rs 2200 and at the end of 3rd years he pays all...
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs. 2700 after 3 years. If the same amount is invested ...
A man invested a certain amount of sum at 11% per annum simple interest and earned an interest of Rs. 2200 after 2 years. If the same amount is invested at...
A man invested a certain amount of sum at 10% per annum simple interest and earned an interest of Rs. 3000 after 5 years. If the same amount is invested at...
A man invested a certain amount of sum at 20% per annum simple interest and earned an interest of Rs 2700 after 3 years. If the same amount is invested at ...
A woman invests Rs. 2000 at the start of each year at 5% compound interest per annum. How much will her investments be at the end of the 2nd year?
A man invests Rs X in a scheme at 12% rate of interest for 8 years. After 8 years he reinvests the amount received at same rate of interest for same time d...
A person invested Rs. x at 20% CI p.a. in scheme A for 2 years. The interest received was reinvested in B for 2 years at 15% SI p.a. The amount received fr...
Find the period when simple interest on Rs.4000 at 6% per annum will be Rs.400.
A bank pays simple interest at 4% per annum on the first Rs.5500 and an interest of 6% for amounts above that. Find the interest earned by Sameera if she d...
Difference between CI and SI on a sum for 3 year at 20% p.a. is 176. Find the simple interest on the sum after 2 years at 10% p.a.
A certain sum is lent at 4%.p.a. for 3 years, 8% p.a. for the next 4 years, and 12% pa, beyond 7 years. If for a period of 11 years the simple interest obt...
Simple interest on a certain sum at the rate of (50/3)% per annum for three years is Rs. 1250. Find the sum.
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:
A certain amount earns simple interest of Rs. 1420 after 4 years. Had the interest been 5% more, how much more interest would it have earned?
A table is available for Rs.350 or for Rs. 150 cash down payment together with Rs.230 to be paid after two months. Find the rate of interest charged under ...
Vipul invested Rs.4000 at the rate of R% simple interest for four years and he got Rs.1600 as interest. If he invest same amount for 2 years in C.I. and ra...
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:
What will be the amount if a sum of Rs. 6500 is placed at compound interest for 3 years while the rate of interest for the first, second and third years is...

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