1. 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.

2. When Mr. Subir retired from his job, he received a lump sum of ₹6,00,000 from his Provident Fund and Gratuity. He wants to divide this amount between the post office and the bank in such a way that he earns ₹34,000 annually as interest. If the annual simple interest rates of the post office and the bank are 6% and 5% respectively, determine how much money he should deposit in each.

3. When Aslam Chacha retired from work, he received ₹1,00,000. He deposited part of the money in a bank and the rest in the post office. Every year, he receives ₹5400 as interest in total. If the annual simple interest rates of the bank and post office are 5% and 6% respectively, calculate and write how much money he deposited in each.

4. Ramen Babu deposited a total of ₹370,000 across three banks. The annual simple interest rates for these three banks are 40%, 5%, and 6%, respectively. After one year, the amount of interest he earns from each bank is the same. Let us calculate how much money he deposited in each of the three banks.

5. Ramen Babu deposits a total of ₹3,70,000 in three banks. The annual simple interest rates of the three banks are 4%, 5%, and 6% respectively. After one year, the total interest earned from each bank is the same. How much money did he deposit in each bank?

6. 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.

7. 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.

8. 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.

9. A gentleman deposits a portion of his savings in a bank and the remaining in a post office under simple interest. The rates of simple interest in the bank and post office are 10% and 8% respectively. His total savings amount to ₹57,000. If he had deposited the entire amount in the bank, he would have earned ₹500 more in interest. What were the amounts he deposited in the bank and the post office?

10. Bimalkaku deposited ₹187,500 in a bank at an annual 5% simple interest for his 12-year-old son and 14-year-old daughter, in such a way that when both of them turn 18, they will each receive the same amount of money (principal + interest). How much money did he deposit for his son and daughter respectively?

11. 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

12. Mr. Rathin deposits money in the bank for each of his two daughters in such a way that when each daughter turns 18 years old, she will receive ₹120000. The bank offers simple interest at an annual rate of 10%. The current ages of the daughters are 13 years and 8 years respectively. Calculate how much Mr. Rathin deposited in the bank for each daughter.

13. Mr. Rahim divided ₹9600 between his two daughters, aged 12 and 16, and deposited the amounts in a bank at an annual interest rate of 5% so that both daughters would receive the same amount upon reaching adulthood. How did he distribute the money?

(a) ₹ 3000 ,₹ 6600 (b) ₹ 4400,₹ 5200 (c) ₹5600,₹ 4000 (d) ₹ 5000, ₹ 4600

14. Rekha deposited ₹10,000 of her savings into two separate banks. One bank offers an annual simple interest rate of 6%, while the other offers 7%. After 2 years, she receives ₹1,280 as interest. How much money did she deposit in each bank?

15. Bimal Kaku deposited ₹187,500 in a bank at an annual simple interest rate of 5% for his 12-year-old son and 14-year-old daughter, in such a way that when both children turn 18, they each receive the same amount (principal plus interest). Let us calculate how much money he deposited for his son and daughter individually.

16. Mr. Bimal deposited ₹5,600 in a bank at a simple interest rate of 10% for his 13-year-old son and 15-year-old daughter in such a way that when both turn 18 years old, they each receive the same amount including interest. How much money did he deposit separately for his son and daughter?

17. 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

18. 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?

19. At the same time, Amal Roy deposits ₹2000 in a bank, and Pashupati Ghosh deposits ₹2000 in a post office. After 3 years, they receive ₹2360 and ₹2480 respectively, including interest. Determine the ratio of the annual percentage interest rates of the bank and the post office.

20. 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.

21. Bimal Babu deposited ₹1,87,500 in a bank at an annual simple interest rate of 5% for his 12-year-old son and 14-year-old daughter in such a way that when both turn 18, they receive equal amounts, including interest. Determine how much he deposited separately for his son and daughter.

22. 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.