1. A person deposited ₹100 in a bank and received ₹121 as compound amount after 2 years. Find the annual compound interest rate.

(a) 10% (b) 20% (c) 5% (d) 10\(\cfrac{1}{2}\)%

2. A person deposited ₹100 in a bank and received ₹121 as compound amount after 2 years. Find the annual compound interest rate.

(a) 10% (b) 20% (c) 5% (d) \(120\cfrac{1}{2}\)%

3. A person deposited ₹100 in a bank, and after 2 years received ₹121 as the total amount under compound interest. What is the annual percentage rate of compound interest?

4. A person deposited ₹121 in a bank and received ₹144 as compound amount after 2 years. Determine the annual compound interest rate.

(a) \(9\cfrac{1}{11}\%\) (b) \(2\%\) (c) \(5\%\) (d) \(11\%\)

5. A person deposited ₹100 in a bank, and after 2 years received a total of ₹121 with compound interest. What is the annual compound interest rate?

(a) 10% (b) 20% (c) 5% (d) \(10\cfrac{1}{2}\)%

6. Rahim took a loan from a bank at an annual simple interest rate of 10%, and on the same day, Ram took a separate loan from the same bank at the same interest rate. After 2 years, the total amount the bank received from Rahim was exactly the same as the total amount it received from Ram after 3 years. Determine the ratio of Rahim's loan to Ram's loan.

7. A person deposited ₹500 and after 2 years received ₹605 as compound interest principal. The annual compound interest rate is _____?

8. Rekhadidi deposited ₹10000 from her savings into two separate banks at the same time. One bank offers an annual simple interest rate of 6%, while the other offers 7%. If she received a total of ₹1280 as interest after 2 years, calculate and write how much she deposited in each bank.

9. Rahmat Chacha deposited a certain amount of money in a cooperative bank at an annual compound interest rate of 9%. After 2 years, he received ₹29,702.50 as the total amount (principal + interest). Let us determine how much money Rahmat Chacha originally deposited in the cooperative bank.

10. A farmer deposited some money in the village post office. After 4 years, he found that the total amount including interest had become ₹434. He calculated that the interest he received was \(\frac{6}{25}\) of his principal amount. Find how much money he had originally deposited and what annual rate of simple interest the post office gave.

11. If ₹800 is deposited in a bank at an annual simple interest rate of 10%, and the total amount received (principal + interest) is ₹1200, then calculate and write for how long the money was deposited in the bank.

12. I have ₹5000. I deposited this amount in a bank at an annual compound interest rate of 8.5%. Write the calculation to determine the total amount (principal + interest) I will receive after 2 years.

13. Rekha received ₹100,000 upon retirement. She deposited part of the amount in a bank and the rest in a post office, earning ₹5,400 as annual interest. The annual simple interest rates at the bank and post office are 5% and 6% respectively. How much money did she deposit in each place?

14. A bank gives simple interest at an annual rate of 5%. A person deposited ₹15,000 at the beginning of the year. After 3 months, he withdrew ₹3,000, and 3 months after the withdrawal, he deposited ₹8,000 again. Calculate the total amount (principal + interest) he will receive at the end of the year.

15. A man deposited ₹42,000 in a bank in the names of his two sons, aged 12 and 10 respectively, such that when each turns 18, they receive the same amount of interest. The rate of interest is 10%. Find how much money was deposited in the name of the elder son.

16. If 23\cfrac{2}{3} of a certain amount is deposited at a 3% interest rate, 16\cfrac{1}{6} at a 6% interest rate, and the remaining part at a 12% interest rate in a bank, and the total interest received at the end of the year is ₹25, how much money was deposited in the bank?

(a) ₹ 500 (b) ₹ 650 (c) ₹ 780 (d) ₹ 1000

17. At an annual simple interest rate of 5.25%, Shova Devi deposited a certain amount of money in a bank. After 2 years, she received ₹840 as interest. Calculate how much money she had deposited.

18. At the same time, Amal Ray deposited ₹2000 in a bank and Pashupati Ghosh deposited ₹2000 in a post office. After 3 years, they received ₹2360 and ₹2480 respectively, including interest. Calculate and write the ratio of the annual simple interest rates of the bank and the post office.

19. Calculate and write the annual compound interest rate at which ₹10000 will amount to ₹12100 in 2 years.

20. When Mr. Gobinda retired from his workplace, he received ₹5,00,000. He deposited part of this amount in a bank and the rest in a post office. He earns ₹33,600 annually as simple interest. The annual simple interest rates are 6% at the bank and 7.2% at the post office. Determine how much money he deposited in each place.

21. A person deposits two separate amounts in a bank at an interest rate of 10% per annum for 5 years. At the end of the term, they receive a difference of 2500 rupees in interest. What was the difference in principal amounts?

(a) ₹ 2000 (b) ₹ 5000 (c) ₹ 10000 (d) ₹ 4000

22. By depositing some money in a bank, the amount becomes ₹1107.60 after 7 years and ₹1248 after 10 years. What was the original amount deposited in the bank?

(a) ₹ 700 (b) ₹ 800 (c) ₹ 680 (d) ₹780

23. A man borrowed a certain amount of money at an annual compound interest rate of 5%. He repaid ₹3,150 at the end of the first year and ₹4,410 at the end of the second year to clear the loan. What was the amount he originally borrowed?

24. Raju lent ₹400 to Ajay for 2 years and ₹100 to Manoj for 4 years. He received a total of ₹60 as simple interest from both. What is the annual rate of simple interest?

25. A man deposited a total of ₹29,000 in a bank in the names of his two daughters, aged 12 and 14, in such a way that when each turns 18, they would receive the same amount including principal and interest at a 10% rate of interest. Find how much money was deposited in the name of the elder daughter.

(a) 15000 (b) 16000 (c) 18000 (d) 20000

26. Rohit deposited ₹1250 in a bank at a fixed compound interest rate for 2 years. After 2 years, he received ₹1352 from the bank. Find the interest rate.

(a) 5% (b) 4% (c) 8% (d) 10%

27. A bank provides an annual simple interest rate of 5%. At the beginning of the year, Mr. Dip deposited 15,000 rupees. Three months later, he withdrew 3,000 rupees, and three months after withdrawing the amount, he deposited 4,000 rupees again. At the end of the year, how much money will Mr. Dip receive from the bank, including interest?

28. Rekha divided her savings of ₹50,000 and deposited them in two banks under the same type of savings scheme. One bank offers a simple interest rate of 5%, while the other offers a simple interest rate of 7%. After 2 years, she received a total interest of ₹6000. Determine how much money she had deposited in each bank.

29. Rambabu divided his total money between two banks in such a way that he received equal interest from both banks after one year. The annual interest rates of the two banks are 4% and 5%, respectively. The amount of money deposited in the second bank is — of the amount deposited in the first bank.

(a) \(\frac{1}{2}\) part (b) \(\frac{1}{3}\) part (c) \(\frac{1}{6}\) part (d) twice

30. Rokeya takes a loan from the bank under the condition that she will pay interest at an annual simple interest rate of 10% and repay \(\frac{1}{5}\) of the principal every two years. If she pays 10,000 currency units as the first installment after two years, determine the amount she borrowed.