Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 410 · 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.₹2000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2120 (b) ₹2360 (c) ₹2240 (d) ₹240
2. 2.The simple interest on ₹3500 for 4 years is ₹980. What is the rate per year? (a) 8% (b) 28% (c) 7% (d) 6%
3. 3.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
4. 4.The simple interest on ₹4000 for 4 years is ₹1440. What is the rate per year? (a) 36% (b) 9% (c) 10% (d) 8%
5. 5.In how many years will ₹6000 earn ₹1980 simple interest at 11% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
6. 6.The simple interest on ₹7000 for 3 years is ₹2520. What is the rate per year? (a) 36% (b) 11% (c) 13% (d) 12%
7. 7.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
8. 8.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 12% (b) 55% (c) 10% (d) 11%
9. 9.The simple interest on ₹1500 for 5 years is ₹150. What is the rate per year? (a) 3% (b) 10% (c) 2% (d) 1%
10. 10.What is the simple interest on ₹6000 at 10% per year for 4 years? (a) ₹600 (b) ₹2400 (c) ₹3000 (d) ₹8400
11. 11.₹4000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹4840 (b) ₹560 (c) ₹4280 (d) ₹4560
12. 12.In how many years will ₹7000 earn ₹840 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
13. 13.₹5500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹5720 (b) ₹6160 (c) ₹5940 (d) ₹440
14. 14.The simple interest on ₹9000 for 2 years is ₹900. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 10%
15. 15.₹3500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4340 (b) ₹3710 (c) ₹4130 (d) ₹630
16. 16.What is the simple interest on ₹1000 at 6% per year for 3 years? (a) ₹180 (b) ₹240 (c) ₹1180 (d) ₹60
17. 17.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹195 (b) ₹780 (c) ₹585 (d) ₹7085
18. 18.What is the simple interest on ₹8500 at 7% per year for 5 years? (a) ₹595 (b) ₹11475 (c) ₹3570 (d) ₹2975
19. 19.In how many years will ₹1500 earn ₹750 simple interest at 10% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
20. 20.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹3300 (b) ₹150 (c) ₹450 (d) ₹300
21. 21.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹5940 (b) ₹110 (c) ₹550 (d) ₹440
22. 22.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
23. 23.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹3660 (b) ₹660 (c) ₹990 (d) ₹330
24. 24.The simple interest on ₹9000 for 3 years is ₹1080. What is the rate per year? (a) 5% (b) 3% (c) 12% (d) 4%
25. 25.₹6500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹8060 (b) ₹7540 (c) ₹1040 (d) ₹7020
26. 26.What is the simple interest on ₹1500 at 12% per year for 5 years? (a) ₹180 (b) ₹1080 (c) ₹2400 (d) ₹900
27. 27.₹3000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3450 (b) ₹3360 (c) ₹3090 (d) ₹360
28. 28.What is the simple interest on ₹1500 at 10% per year for 3 years? (a) ₹600 (b) ₹150 (c) ₹1950 (d) ₹450
29. 29.The simple interest on ₹3500 for 3 years is ₹945. What is the rate per year? (a) 27% (b) 8% (c) 10% (d) 9%
30. 30.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3100 (b) ₹400 (c) ₹2700 (d) ₹2900
31. 31.₹4000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹5080 (b) ₹4720 (c) ₹4360 (d) ₹720
32. 32.The simple interest on ₹7500 for 3 years is ₹900. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
33. 33.₹3500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹4340 (b) ₹4200 (c) ₹3640 (d) ₹700
34. 34.What is the simple interest on ₹6000 at 3% per year for 5 years? (a) ₹1080 (b) ₹900 (c) ₹6900 (d) ₹180
35. 35.The simple interest on ₹7500 for 3 years is ₹1575. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 21%
36. 36.The simple interest on ₹2000 for 3 years is ₹420. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 21%
37. 37.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1140 (b) ₹9880 (c) ₹10640 (d) ₹11020
38. 38.The simple interest on ₹5000 for 2 years is ₹1000. What is the rate per year? (a) 10% (b) 9% (c) 20% (d) 11%
39. 39.In how many years will ₹4500 earn ₹2475 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
40. 40.In how many years will ₹8000 earn ₹960 simple interest at 3% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years

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