1. If the compound interest rates for the first, second, and third years are 6%, 4%, and 10% respectively, then how much total amount (principal + interest) will a person receive after investing ₹50,000 for 3 years?

2. If the principal is \(p\) rupees and the annual compound interest rates for the first, second, and third years are \(r_1\%\), \(r_2\%\), and \(r_3\%\) respectively, then what will be the total compound amount after 3 years?

3. My uncle borrowed ₹40,000 for 3 years in such a way that the annual compound interest rates for the first, second, and third years were 2%, 3%, and 4% respectively. How much money will he repay (principal + interest) at the end of 3 years?

4. If the interest rates for the first, second, and third years are 5%, 8%, and 10%, respectively, then the compound principal at the end of 3 years on ₹16,000 would be—

(a) ₹ 16,958 (b) ₹ 19,958.40 (c) ₹ 17,958 (d) ₹ 18,958.40

5. Sudip Babu deposited ₹7,800 in the bank at compound interest. If the compound interest rates for the first, second, third, and fourth years are 5%, 4%, 10%, and 12% respectively, then what will be the compound principal after 4 years?

(a) ₹ 10,493.68 (b) ₹ 10,000 (c) ₹ 14,936 (d) none of the above

6. If the interest rates for the first, second, and third years are 5%, 10%, and 15% respectively, what will be the compound interest on ₹5000 at the end of 3 years?

(a) ₹ 2000 (b) ₹1900 (c) ₹ 1700 (d) ₹ 1641.25