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Compound Interest
1. Calculate Compound Interest and amount on Rs 4500 at 10 % per annum in 3 years.
2. Calculate Compound Interest and amount on Rs 625 for 2 years at 9 %, compounded half-yearly.
3. Calculate Compound Interest on Rs 8000 for 9 months at 20 % per annum, compounded quartely .
4. What sum of money becomes Rs 9261 in 3 years at 5 % per annum, compounded annually ?
5. What will Rs 25000 amounts to in two years at Compound Interest if the rates for successive years be 4 % and 5 % per year.
6. A sum of money amounts to Rs 6690 after 3 years and to Rs 10035 after 6 years on compound interest. Calculate the sum of mone ...
7. A man borrows Rs 2500 at 5 % simple interest for 2 years. He immediately lends this money at compound interest at the same ra ...
8. The difference between the compound interest and the simple interest on a certain sum at 10 % per annum for 2 years is Rs 52 ...
9. If the compound interest on a certain sum for 3 years at 10 % per annum be Rs 331 , what would be the simple interest ?
10. A sum of money 2 times itself at compound interest in 15 years. In how many years, it will become 8 times of itself ?
Problem 5 of 10
5. What will Rs
amounts to in two years at Compound Interest if the rates for successive years be
% and
% per year.
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Compound Interest
5. What will Rs 25000 amounts to in two years at Compound Interest if the rates for successive years be 4 % and 5 % per year.
Here `P = 25000, R_1 = 4` % for 1st year and `R_2 = 5` % for 2nd year, `N_1 = 1, N_2 = 1`
For Successvie rates
`A = P * (1+R_1/100)^(N_1) * (1+R_2/100)^(N_2) ...`
`A = 25000 * (1 + 4 /100) * (1 + 5 /100)`
`= 25000 * ( 104 / 100 ) * ( 105 / 100 )`
`= 27300`.
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