Question

(i) Rs 40,000 for 2 years at the interest rate of 8% per annum.
(ii) Rs 4,800 for 2 years at the interest rate of 10% per annum.
2. Find the compound interest and amount on
(i) Rs 9,600 for 3 years at the interest rate of 10% per annum.
(ii) Rs 8,000 for 3 years at the interest rate of 5% per annum.
3. A sum of Rs 30,000 is invested for 3 years at 712% p.a. compound interest.
(i) What is the sum at the end of the second year?
(ii) What is the sum at the end of the 3 years?
(iii) What is the total interest earned in 3 years?
4. A sum of Rs 8,000 becomes Rs 8,800 in one year at a certain rate of interest per
(i) Find the compound interest on the sum for 2 years at the same rate of inte
(ii) Find the amount after 3 years at the same rate of compound interest.
5. Which one of the following is larger?
(a) Compound interest on Rs 2,500 for 2 years at the rate of 10% p.a.
(b) Simple interest on Rs 2,000 for 3 years at the rate of 1212% p.a.
On application
poulonder at the compound intere​

Answer 1

Hola Mate!!

1. (i) Principal(P) = Rs40,000

Rate(R) = 8%p.a

Time (T) = 2yrs

So, S.I = P×R×T/100

= 40000×8×2/100

= Rs 44,800

(ii) Principal(P) = Rs4,800

Rate (R) = 10%p.a

Time(T) = 2yrs

So, S.I = P×R×T/100

= 4800×10×2/100

= Rs 1,00,800