Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 158 · 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 ₹5500 for 5 years is ₹2200. What is the rate per year? (a) 9% (b) 7% (c) 40% (d) 8%
2. 2.The simple interest on ₹5000 for 5 years is ₹2750. What is the rate per year? (a) 12% (b) 55% (c) 11% (d) 10%
3. 3.The simple interest on ₹6000 for 3 years is ₹1260. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 21%
4. 4.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹140 (b) ₹4060 (c) ₹560 (d) ₹700
5. 5.₹7500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹11250 (b) ₹12000 (c) ₹8250 (d) ₹3750
6. 6.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹1440 (b) ₹360 (c) ₹10440 (d) ₹1800
7. 7.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 8%
8. 8.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹4760 (b) ₹1260 (c) ₹1575 (d) ₹315
9. 9.What is the simple interest on ₹9500 at 12% per year for 5 years? (a) ₹15200 (b) ₹5700 (c) ₹1140 (d) ₹6840
10. 10.The simple interest on ₹3000 for 5 years is ₹450. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
11. 11.The simple interest on ₹6500 for 3 years is ₹1950. What is the rate per year? (a) 30% (b) 11% (c) 9% (d) 10%
12. 12.In how many years will ₹1000 earn ₹100 simple interest at 2% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
13. 13.What is the simple interest on ₹1000 at 10% per year for 2 years? (a) ₹200 (b) ₹100 (c) ₹1200 (d) ₹300
14. 14.₹7000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹7420 (b) ₹9520 (c) ₹9100 (d) ₹2100
15. 15.In how many years will ₹7000 earn ₹280 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
16. 16.In how many years will ₹5000 earn ₹1600 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
17. 17.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 48% (b) 11% (c) 13% (d) 12%
18. 18.In how many years will ₹3500 earn ₹420 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
19. 19.₹8500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹510 (b) ₹9265 (c) ₹8755 (d) ₹9010
20. 20.In how many years will ₹1500 earn ₹315 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
21. 21.The simple interest on ₹6500 for 2 years is ₹650. What is the rate per year? (a) 4% (b) 6% (c) 10% (d) 5%
22. 22.₹2500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2775 (b) ₹3600 (c) ₹825 (d) ₹3325
23. 23.What is the simple interest on ₹4000 at 12% per year for 5 years? (a) ₹2400 (b) ₹480 (c) ₹6400 (d) ₹2880
24. 24.What is the simple interest on ₹1000 at 10% per year for 3 years? (a) ₹300 (b) ₹100 (c) ₹1300 (d) ₹400
25. 25.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1060 (b) ₹40 (c) ₹1040 (d) ₹1020
26. 26.What is the simple interest on ₹8500 at 11% per year for 3 years? (a) ₹3740 (b) ₹2805 (c) ₹11305 (d) ₹935
27. 27.₹3500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹630 (b) ₹4445 (c) ₹3815 (d) ₹4130
28. 28.The simple interest on ₹9000 for 3 years is ₹2160. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 24%
29. 29.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹360 (b) ₹60 (c) ₹3300 (d) ₹300
30. 30.₹7500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1500 (b) ₹8250 (c) ₹9750 (d) ₹9000
31. 31.In how many years will ₹7000 earn ₹3500 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
32. 32.₹3000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹3630 (b) ₹3210 (c) ₹3420 (d) ₹420
33. 33.In how many years will ₹3000 earn ₹1200 simple interest at 8% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
34. 34.What is the simple interest on ₹9500 at 12% per year for 2 years? (a) ₹11780 (b) ₹3420 (c) ₹1140 (d) ₹2280
35. 35.What is the simple interest on ₹2500 at 7% per year for 5 years? (a) ₹875 (b) ₹3375 (c) ₹175 (d) ₹1050
36. 36.In how many years will ₹5500 earn ₹990 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
37. 37.What is the simple interest on ₹1000 at 8% per year for 3 years? (a) ₹320 (b) ₹240 (c) ₹1240 (d) ₹80
38. 38.What is the simple interest on ₹2000 at 10% per year for 3 years? (a) ₹200 (b) ₹800 (c) ₹600 (d) ₹2600
39. 39.What is the simple interest on ₹9500 at 10% per year for 3 years? (a) ₹3800 (b) ₹950 (c) ₹12350 (d) ₹2850
40. 40.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 1% (b) 2% (c) 4% (d) 3%

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