Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 461 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.The simple interest on ₹1000 for 3 years is ₹60. What is the rate per year? (a) 1% (b) 6% (c) 2% (d) 3%
2. 2.The simple interest on ₹2500 for 5 years is ₹875. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 35%
3. 3.The simple interest on ₹8500 for 2 years is ₹510. What is the rate per year? (a) 4% (b) 6% (c) 2% (d) 3%
4. 4.₹6500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹780 (b) ₹7280 (c) ₹6695 (d) ₹7475
5. 5.In how many years will ₹3500 earn ₹420 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
6. 6.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹9900 (b) ₹1350 (c) ₹450 (d) ₹900
7. 7.₹4500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹675 (b) ₹5175 (c) ₹5400 (d) ₹4725
8. 8.In how many years will ₹6000 earn ₹360 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
9. 9.In how many years will ₹8500 earn ₹1530 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
10. 10.In how many years will ₹6500 earn ₹390 simple interest at 2% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
11. 11.₹6000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹6720 (b) ₹9600 (c) ₹2880 (d) ₹8880
12. 12.The simple interest on ₹1500 for 2 years is ₹210. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 14%
13. 13.In how many years will ₹4500 earn ₹1980 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
14. 14.₹10000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹10800 (b) ₹14000 (c) ₹3200 (d) ₹13200
15. 15.In how many years will ₹1500 earn ₹375 simple interest at 5% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
16. 16.What is the simple interest on ₹1000 at 6% per year for 2 years? (a) ₹1120 (b) ₹180 (c) ₹60 (d) ₹120
17. 17.What is the simple interest on ₹9500 at 7% per year for 4 years? (a) ₹12160 (b) ₹2660 (c) ₹665 (d) ₹3325
18. 18.₹6000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹7260 (b) ₹6420 (c) ₹7680 (d) ₹1260
19. 19.The simple interest on ₹5500 for 5 years is ₹1650. What is the rate per year? (a) 6% (b) 7% (c) 30% (d) 5%
20. 20.The simple interest on ₹4500 for 2 years is ₹900. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 20%
21. 21.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹2320 (b) ₹160 (c) ₹480 (d) ₹320
22. 22.₹5500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2200 (b) ₹6050 (c) ₹8250 (d) ₹7700
23. 23.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
24. 24.In how many years will ₹6000 earn ₹240 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
25. 25.₹6000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹6240 (b) ₹7200 (c) ₹6960 (d) ₹960
26. 26.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹7630 (b) ₹840 (c) ₹210 (d) ₹630
27. 27.₹3500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹6020 (b) ₹2100 (c) ₹5600 (d) ₹3920
28. 28.The simple interest on ₹5000 for 3 years is ₹450. What is the rate per year? (a) 2% (b) 9% (c) 4% (d) 3%
29. 29.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3360 (b) ₹270 (c) ₹3090 (d) ₹3270
30. 30.What is the simple interest on ₹9500 at 4% per year for 4 years? (a) ₹1900 (b) ₹380 (c) ₹1520 (d) ₹11020
31. 31.In how many years will ₹8500 earn ₹1700 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
32. 32.₹7500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹8850 (b) ₹9300 (c) ₹7950 (d) ₹1350
33. 33.In how many years will ₹6500 earn ₹2860 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
34. 34.₹4000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4400 (b) ₹4600 (c) ₹4200 (d) ₹400
35. 35.What is the simple interest on ₹10000 at 6% per year for 3 years? (a) ₹1800 (b) ₹600 (c) ₹11800 (d) ₹2400
36. 36.The simple interest on ₹6000 for 5 years is ₹1500. What is the rate per year? (a) 25% (b) 5% (c) 6% (d) 4%
37. 37.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1180 (b) ₹1030 (c) ₹1150 (d) ₹150
38. 38.The simple interest on ₹9500 for 3 years is ₹855. What is the rate per year? (a) 2% (b) 9% (c) 4% (d) 3%
39. 39.The simple interest on ₹9000 for 5 years is ₹900. What is the rate per year? (a) 2% (b) 10% (c) 1% (d) 3%
40. 40.What is the simple interest on ₹4500 at 11% per year for 4 years? (a) ₹1980 (b) ₹495 (c) ₹2475 (d) ₹6480

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad