Advertisements
Advertisements
प्रश्न
Find the compound interest if the amount of a certain principal after two years is ₹ 4036.80 at the rate of 16 p.c.p.a.
उत्तर
Here, P = Principal
A = ₹ 4036.80
I = Compound Interest
R = 16 %
N = 2 years
A = P `(1 + "R"/100)^"N"`
= 4036.80 = P `(1 + 16/100)^2`
= 4036.80 = P `(1 + 4/25)^2`
= 4036.80 = P `(29/25)^2`
= P = `(4036.80 xx 25 xx 25)/(29 xx 29)`
= P = 3000
Also,
I = A − P
= 4036.80 − 3000
= 1036.80
Hence, the compound interest is ₹ 1036.80
संबंधित प्रश्न
The present population of a town is 25000. It grows at 4%, 5% and 8% during first year, second year and third year respectively. Find its population after 3 years.
There is a continuous growth in population of a village at the rate of 5% per annum. If its present population is 9261, what it was 3 years ago?
In a factory the production of scooters rose to 46305 from 40000 in 3 years. Find the annual rate of growth of the production of scooters.
The count of bacteria in a culture grows by 10% in the first hour, decreases by 8% in the second hour and again increases by 12% in the third hour. If the count of bacteria in the sample is 13125000, what will be the count of bacteria after 3 hours?
The population of a certain city was 72000 on the last day of the year 1998. During next year it increased by 7% but due to an epidemic it decreased by 10% in the following year. What was its population at the end of the year 2000?
The population of a city increases each year by 4% of what it had been at the beginning of each year. If the population in 1999 had been 6760000, find the population of the city in (i) 2001 (ii) 1997.
The value of a refrigerator which was purchased 2 years ago, depreciates at 12% per annum. If its present value is Rs 9680, for how much was it purchased?
A principal amounts to ₹ 13,924 in 2 years by compound interest at 18 p.c.p.a. Find the principal.
Find the difference between simple interest and compound interest on ₹ 20000 at 8 p.c.p.a.
In the year 2001, the number of malaria patients admitted in the hospitals of a state was 4,375. Every year this number decreases by 8%. Find the number of patients in 2003.
