Advertisements
Advertisements
प्रश्न
In how many years will Rs 2000 amount to Rs 2662 at 10% p.a. compound interest?
Advertisements
उत्तर
Here P = Rs.2000, A = Rs.2662, r = 10%
Now, `"P"(1 + "r"/100)^"t"` = A
⇒ `2000(1 + 10/100)^"t"`
= 2662
⇒ `(11/10)^"t"`
= `(2662)/(2000)`
= `(1331)/(1000)`
= `(11/10)^3`
By comparing powers, t = 3
Hence time is 3 years.
APPEARS IN
संबंधित प्रश्न
The value of an article decreases for two years at the rate of 10% per year and then in the third year it increases by 10%. Find the original value of the article, if its value at the end of 3 years is Rs. 40,095.
The population of a town decreased by 12% during 1998 and then increased by 8% during 1999. Find the population of the town, at the beginning of 1998, if at the end of 1999 its population was 2,85,120.
The difference between C.I. and S.I. on Rs. 7,500 for two years is Rs. 12 at the same rate of interest per annum. Find the rate of interest.,
Find the amount and the compound interest payable annually on:
Rs.16000 for 2 years at 15% and 12% for the successive years.
Samidha borrowed Rs.7500 from Shreya at 30% per annum compounded interest. After 2 years, Samidha gave Rs.10000 and a juicer to Shreya to clear the debt. Find the cost of the juicer.
Find the amount and the compound interest on the following :
Rs.12000 for 1`(1)/(2)` years at 5% per annum compounded annually.
Find the amount on Rs 36000 in 2 years 15% p.a. compounded annually.
Calculate the rate percent when Rs 28000 amount to Rs 30870 in 2 years at compounded annually.
In what time will Rs 15625 amount to Rs 17576 at 4% p.a. compound interest?
A sum of Rs.16820 is to be divided between two girls A and B, 27 and 25 years old respectively, in such a way that, if their portions be invested at 5% per annum compound interest payable annually, they will receive equal amounts on reaching 40 years of age. What is the share of each in the original sum of money?
