Compound Interest (Railway Maths) (Part – II)

Total Questions: 50

1. A trader owes a merchant ₹12,500 due in one year. However, the trader wants to settle the amount after 6 months. If the rate of interest is 8% per annum, then how much money should he pay? (Give your answer correct to the nearest whole number value.) [Group D 06/10/2022 (Afternoon)]

Correct Answer: (d) ₹12,019
Solution:

2. The difference between the compound interest and the simple interest, compounded annually, on a certain sum of money for 4 years at 8% per annum is ₹20. Find the sum. (Give your answer correct to 2 decimal places.) [Group D 06/10/2022 (Evening)]

Correct Answer: (c) ₹493.96
Solution:

3. A certain sum on compound interest becomes ₹56,180 when compounded annually after 2 years and ₹59,550.80 after 3 years. Find the sum (in ₹). [Level 6 (09/05/2022) Shift 1]

Correct Answer: (b) 50,000
Solution:

4. The difference between the interest payable on a sum invested for three years at 20% compound interest per annum compounded annually and 20% simple interest per annum for the same period is ₹448. What is the value of the sum invested? [Level 6 (09/05/2022) Shift 1]

Correct Answer: (c) ₹3,500
Solution:

5. A sum of Rs 98.00 was invested for a year at 10% interest per annum, compounded half-yearly. What would be the interest payable at the end of the year? [Level 5 (12/06/2022) Shift 1]

Correct Answer: (b) 1,004.50
Solution:

6. A sum of money at certain rate of interest when compounded annually becomes Rs 625 in 3 years and Rs 675 in 4 years. What is the rate of interest per annum? [Level 5 (12/06/2022) Shift 1]

Correct Answer: (a) 8%
Solution:

7. Rahul invested a certain sum for two years at 60% p.a. compound interest, compounded annually. If at the end of two years he received interest of ₹11,700, then how much did he initially invest? [Level 5 (12/06/2022) Shift 2]

Correct Answer: (c) ₹7,500
Solution:

8. A certain sum was invested at 40% p.a. compound interest for two years and the interest was compounded annually. If the interest was compounded half yearly, the amount payable on maturity after two years would have been ₹4,544 more. What was the sum invested? [Level 5 (12/06/2022) Shift 2]

Correct Answer: (d) ₹40,000
Solution:

9. If interest is compounded annually at 10% per annum , then what would be the total amount payable on maturity when a sum of Rs 5700 is invested for a period of two years ? [Level 2 (13/06/2022) Shift 1 ]

Correct Answer: (b) 6897
Solution:

10. A sum of ₹400 lent at compound interest amounts to ₹484 in 2 years, interest compounded yearly. What is the rate of interest p.a ? [Level 3 (14/06/2022) Shift 2 ]

Correct Answer: (a) 10%
Solution: