Advertisements
Advertisements
प्रश्न
Calculate the amount and the compound interest for the following:
Rs.30,000 at 8°/o p.a. in `2 1/2` years
Advertisements
उत्तर
Here, P = Rs.30,000 ; r = 8°/o p.a. ; t = `2 1/2` years
For the first year: t = 1 year
S.I. = `("P" xx "r" xx "t")/100`
S.I. = `("Rs" 30000 xx 8 xx 1)/100`
S.l. = Rs2, 400
A=P+S.I.
=Rs (30,000 + 2,400) = Rs 32,400 = new principal
For the seoond year: t = 1 year; P=Rs 32,400
S.I. = `("P" xx "r" xx "t")/100`
S.I. = `("Rs" 32400 xx 8 xx 1)/100`
S.I. = Rs2, 592
A=P+S.I.
A=Rs (32,400 + 2,592) =Rs 34,992 =new principal
For the third year: t = 1/2 year ; P=Rs 34, 992
S.I. = `("P" xx "r" xx "t")/100`
S.I. = `("Rs" 34992 xx 8 xx 1)/100`
S.I = Rsi, 399.68
A=P+S.I.
A=Rs (34, 992 + 1,399.68) = Rs 36,391.68
C.l. = Interest in first year+ interest in second year + interest in third year
C.l.= Rs (2,400 + 2,592 +1,399.68) =Rs 6,391.68
संबंधित प्रश्न
The present population of the town is 2,00,000. The population is increased by 10% in the first year and 15% in the second year. Find the population of the town at the end of two years.
Nikita invests Rs. 6000 for two years at a certain rate of interest compounded annually. At the end of the first year, it amounts to Rs. 6720. Calculate:
- the rate of interest.
- the amount at the end of the second year.
Calculate the amount and the compound interest for the following:
Rs. 76, 000 at 10 °/o p.a. in `2 1/2` years
Calculate the amount and the compound interest for the following:
Rs.16, 000 at 15 °/o p.a. in `2 2/3` years
Anuj and Rajesh each lent the same sum of money for 2 years at 8% simple interest and compound interest respectively. Rajesh received Rs. 64 more than Anuj. Find the money lent by each and interest received.
Find the amount and the compound interest payable annually on:
Rs.17500 for 3 years at 8%, 10% and 12% for the successive years.
Calculate the amount and compound interest on Rs 20000 for 3 years at 10% per annum, interest being payable annually.
Find the amount and the compound interest on Rs 17500 for 3 years, if the rates for successive years is 4%, 5% and 6% respectively, the interest is payable annually.
What sum will amount to Rs.10120 in 2 years at C.I. payable annually, if the rates are 10% and 15% for the successive years?
Find compound interest on Rs 31250 for 3 years, if the rates of interest for 1st,2nd and 3rd years be 8%, 10% and 12% respectively.
