Formula for CI

Q.

Calculate the amount and the compound interest on Rs. 10000 in 3 years at 8% per annum.

Q. Formula for compounded half yearly

Q.

A Sum of Money at Simple Interest amounts to$Rs.815$ in $3$ Years and to $Rs.854$in $4$ Years. The Sum is _________

1. $650$

2. $690.$

3. $698.$

4. $700.$

Q.

The difference between the S.I and C.I. on a certain sum of money for 2 years at $4\%$ per annum is Rs. 20. Find the sum.

Q.

Harpreet borrowed Rs 20000 from her friend at $12\%$ per annum simple interest. She lent it to Alam at the same rate but compounded annually. Find her gain after 2 years.

Q.

Find the difference between the simple interest and the compound interest on Rs 5000 for 2 years at $9\%$ per annum.

Q.

Find CI on a sum of Rs. 8000 for 2 years at 5% per annum compounded annually.

Q.

What amount is to be repaid on a loan of $Rs.12,000$ for $1$ and half years at $10\%$ per annum compounded half-yearly?

Q. On a sum of money, the simple interest for 2 years is Rs.660, while the compound interest is Rs. 696.30 , the rate of interest being the same in both the cases. The rate of interest is:
1: 10%
2: 10.5%
3: 12%
4: None of these

Q.

A scooter was bought at $Rs.42000$ and its value depreciated at the rate of $8\%$ per annum. Find its value after one year.

1. $Rs.34820$

2. $Rs.38640$

3. $Rs.31830$

4. $Rs.33650$

Q.

At what rate percent per annum will a sum of Rs. 4000 yield compound interest of Rs. 410 in 2 years?

Q.

In what time will Rs. 1000 amount to Rs. 1331 at $10\%$ per annum compound interest.

Q.

Find the rate percent per annum, if Rs. 2000 amount to Rs. 2315.25, in an year and a half, interest being compounded six monthly.

Q. Question 3
The compound interest on Rs 50, 000 at 4% per annum for 2 years compounded annually is
(a) Rs 4, 000
(b) Rs 4, 080
(c) Rs 4, 280
(d) Rs 4, 050

Q.

Find the rate at which a sum of money will double itself in 3 years, if the interest is compounded annually.

Q.

At what rate per cent per annum compound interest will Rs. 4000 amount to Rs. 5324 in 3 years

Q.

In how much time will a sum of Rs. 1600 amount to Rs. 1852.20 at $5\%$ per annum compound interest?

Q.

The compound interest on Rs. 1800 at $10\%$ per annum for a certain period of time is Rs. 378. Find the time in years.

Q.

A sum of money lent out at simple interest amounts to $Rs720$ after $2$ years and to$Rs1020$ after a further period of $5$ years. What is the sum?

Q.

By using the formula, find the amount and compound interest on:

Find the amount of Rs 8000 for 2 years compounded annually and the rates being $9\%$ per annum during the first year and $10\%$ per annum during the second year.

Q.

By using the formula, find the amount and compound interest on:

Rs 62500 for 2 years 6 months at $12\%$ per annum compounded annually.

Q. Find the compound interest on RS 5000 at rate of 10% p.a. compounded annually for 1and a half years.?

Q.

A certain sum amounts to Rs. 5832 in 2 years at $8\%$ compounded interest. Find the sum.

Q.

The difference between the compound interest and simple interest on a certain sum for 2 years at $7.5\%$ per annum is Rs. 360. Find the sum.

Q. A person invested sum of Rs. 2600 in different parts at $4\%,6\%and8\%$ per annum simple interest. At the end of the year, he got the same interest in all three cases. The money invested at $4\%$ is:

1. Rs. 2200
2. Rs. 1600
3. Rs. 800
4. Rs. 1200

Q.

Find the rate at which a sum of money will become four times the original amount in 2 years, if the interest is compounded half-yearly.

Q.

By using the formula, find the amount and compound interest on:

The difference between the compound interest and the simple interest on a certain sum for 2 years at $6\%$ per annum is Rs 90. Find the sum.

Q.

At what rate percent compound interest per annum will rs. 640 amount to Rs. 774.40 in 2 years?

Q.

Calculate the compound interest on ₹ 15000 in 3 years; if the rates of interest for successive years be 6%, 8% and 10% respectively.

1. ₹ 3789.20

2. ₹ 3889.20

3. ₹ 4389.20

4. ₹ 3684.20

Q.

If an item is sold for $Rs540$ at a profit of $20\%$, then its $CP$ is …………