Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 815 · 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.What is the simple interest on ₹9500 at 9% per year for 5 years? (a) ₹5130 (b) ₹13775 (c) ₹4275 (d) ₹855
2. 2.What is the simple interest on ₹5000 at 5% per year for 4 years? (a) ₹1250 (b) ₹1000 (c) ₹6000 (d) ₹250
3. 3.What is the simple interest on ₹4000 at 5% per year for 5 years? (a) ₹1200 (b) ₹1000 (c) ₹5000 (d) ₹200
4. 4.The simple interest on ₹3000 for 4 years is ₹720. What is the rate per year? (a) 5% (b) 24% (c) 7% (d) 6%
5. 5.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹7630 (b) ₹210 (c) ₹840 (d) ₹630
6. 6.What is the simple interest on ₹9000 at 3% per year for 3 years? (a) ₹9810 (b) ₹270 (c) ₹810 (d) ₹1080
7. 7.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹9280 (b) ₹1280 (c) ₹1920 (d) ₹640
8. 8.₹7500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹7800 (b) ₹8700 (c) ₹9000 (d) ₹1200
9. 9.In how many years will ₹10000 earn ₹3000 simple interest at 10% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
10. 10.In how many years will ₹2000 earn ₹1000 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
11. 11.₹5500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹5940 (b) ₹7260 (c) ₹1320 (d) ₹6820
12. 12.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹135 (b) ₹90 (c) ₹45 (d) ₹1590
13. 13.₹3500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹4340 (b) ₹840 (c) ₹3920 (d) ₹4760
14. 14.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹360 (b) ₹450 (c) ₹1360 (d) ₹90
15. 15.What is the simple interest on ₹5000 at 10% per year for 2 years? (a) ₹1500 (b) ₹1000 (c) ₹500 (d) ₹6000
16. 16.₹7500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹8025 (b) ₹2100 (c) ₹9600 (d) ₹10125
17. 17.The simple interest on ₹3500 for 3 years is ₹840. What is the rate per year? (a) 24% (b) 9% (c) 7% (d) 8%
18. 18.₹8000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹8560 (b) ₹10240 (c) ₹1680 (d) ₹9680
19. 19.In how many years will ₹9000 earn ₹1080 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
20. 20.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹175 (b) ₹525 (c) ₹3025 (d) ₹700
21. 21.What is the simple interest on ₹4500 at 5% per year for 3 years? (a) ₹5175 (b) ₹675 (c) ₹225 (d) ₹900
22. 22.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
23. 23.₹5000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹8000 (b) ₹7500 (c) ₹5500 (d) ₹2500
24. 24.What is the simple interest on ₹7500 at 11% per year for 3 years? (a) ₹825 (b) ₹3300 (c) ₹2475 (d) ₹9975
25. 25.₹5000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹5550 (b) ₹8300 (c) ₹2750 (d) ₹7750
26. 26.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹300 (b) ₹375 (c) ₹75 (d) ₹2800
27. 27.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1560 (b) ₹240 (c) ₹1800 (d) ₹1740
28. 28.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹2160 (b) ₹3240 (c) ₹11160 (d) ₹1080
29. 29.In how many years will ₹5000 earn ₹1200 simple interest at 6% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
30. 30.In how many years will ₹6500 earn ₹650 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
31. 31.The simple interest on ₹4500 for 5 years is ₹900. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 20%
32. 32.The simple interest on ₹8000 for 4 years is ₹640. What is the rate per year? (a) 2% (b) 1% (c) 8% (d) 3%
33. 33.The simple interest on ₹2500 for 4 years is ₹900. What is the rate per year? (a) 10% (b) 8% (c) 36% (d) 9%
34. 34.What is the simple interest on ₹3000 at 12% per year for 4 years? (a) ₹4440 (b) ₹360 (c) ₹1800 (d) ₹1440
35. 35.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
36. 36.The simple interest on ₹4500 for 2 years is ₹990. What is the rate per year? (a) 12% (b) 22% (c) 11% (d) 10%
37. 37.The simple interest on ₹8000 for 3 years is ₹2400. What is the rate per year? (a) 10% (b) 30% (c) 11% (d) 9%
38. 38.What is the simple interest on ₹6500 at 4% per year for 3 years? (a) ₹7280 (b) ₹260 (c) ₹1040 (d) ₹780
39. 39.₹8000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹9600 (c) ₹8400 (d) ₹9200
40. 40.₹4500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1800 (b) ₹6750 (c) ₹4950 (d) ₹6300

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