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Practice Simple and compound interest Questions and Answers

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...
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 5% per annum is Rs. 724. 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:
The difference between compound and simple interest on a sum of money for 2 years at 5% per annum is Rs. 664. The sum is:
The difference between compound and simple interest on a sum of money for 2 years at 4% per annum is Rs. 580. The sum is:
What will be the amount if a sum of Rs. 5000 is placed at compound interest for 3 years while the rate of interest for the first, second and third years is...
What will be the amount if a sum of Rs. 5500 is placed at compound interest for 3 years while the rate of interest for the first, second and third years is...
A took loan from a bank at the rate of 12%p.a. simple interest. After 5 years he had to pay Rs.7200 interest only for the period. The principal amount borr...
A took loan from a bank at the rate of 15%p.a. simple interest. After 3 years he had to pay Rs.13500 interest only for the period. The principal amount bor...
A certain sum of money becomes 5 times of itself in 20 years at simple interest. In how many years does it become double of itself at the same rate of simp...
A certain sum of money becomes 5 times of itself in 25 years at simple interest. In how many years does it become double of itself at the same rate of simp...
A certain sum of money becomes 3 times of itself in 10 years at simple interest. In how many years does it become double of itself at the same rate of simp...
A certain amount earns simple interest of Rs. 1360 after 4 years. Had the interest been 5% more, how much more interest would it have earned?
A certain amount earns simple interest of Rs. 1560 after 5 years. Had the interest been 5% more, how much more interest would it have earned?
A certain amount earns simple interest of Rs. 1840 after 5 years. Had the interest been 4% more, how much more interest would it have earned?
A certain amount earns simple interest of Rs. 1480 after 3 years. Had the interest been 5% more, how much more interest would it have earned?
A certain amount earns simple interest of Rs. 1520 after 5 years. Had the interest been 6% more, how much more interest would it have earned?
A certain amount earns simple interest of Rs. 1600 after 4 years. Had the interest been 6% more, how much more interest would it have earned?
Rs. P invested at R% p.a. gives simple interest and compound interest (compounded annually) of Rs. 750 and Rs. 900 respectively at the end of 2 years. Find...
Rs.6000 is divided into two parts such that if one part be invested at 5% and the other at 8%, the annual interest from both the investments is Rs. 435. Fi...

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