Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 278 · 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 ₹6500 at 10% per year for 2 years? (a) ₹7800 (b) ₹650 (c) ₹1300 (d) ₹1950
2. 2.What is the simple interest on ₹3500 at 7% per year for 4 years? (a) ₹4480 (b) ₹980 (c) ₹245 (d) ₹1225
3. 3.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
4. 4.What is the simple interest on ₹1000 at 6% per year for 2 years? (a) ₹60 (b) ₹120 (c) ₹1120 (d) ₹180
5. 5.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1980 (b) ₹360 (c) ₹1860 (d) ₹1620
6. 6.What is the simple interest on ₹5000 at 12% per year for 3 years? (a) ₹1800 (b) ₹600 (c) ₹2400 (d) ₹6800
7. 7.What is the simple interest on ₹7500 at 12% per year for 2 years? (a) ₹900 (b) ₹2700 (c) ₹9300 (d) ₹1800
8. 8.What is the simple interest on ₹9500 at 9% per year for 5 years? (a) ₹5130 (b) ₹4275 (c) ₹855 (d) ₹13775
9. 9.What is the simple interest on ₹9500 at 11% per year for 5 years? (a) ₹14725 (b) ₹1045 (c) ₹6270 (d) ₹5225
10. 10.₹1500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹750 (b) ₹1650 (c) ₹2250 (d) ₹2400
11. 11.₹6500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7020 (b) ₹520 (c) ₹6630 (d) ₹7150
12. 12.The simple interest on ₹10000 for 3 years is ₹3000. What is the rate per year? (a) 9% (b) 11% (c) 30% (d) 10%
13. 13.What is the simple interest on ₹9000 at 11% per year for 2 years? (a) ₹10980 (b) ₹990 (c) ₹1980 (d) ₹2970
14. 14.₹8000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹9600 (b) ₹8400 (c) ₹9200 (d) ₹1200
15. 15.In how many years will ₹4000 earn ₹1200 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
16. 16.₹2500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹375 (b) ₹2875 (c) ₹2625 (d) ₹3000
17. 17.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1560 (b) ₹1860 (c) ₹300 (d) ₹1800
18. 18.The simple interest on ₹10000 for 4 years is ₹1600. What is the rate per year? (a) 5% (b) 16% (c) 3% (d) 4%
19. 19.What is the simple interest on ₹7000 at 2% per year for 5 years? (a) ₹7700 (b) ₹700 (c) ₹840 (d) ₹140
20. 20.What is the simple interest on ₹2000 at 4% per year for 4 years? (a) ₹80 (b) ₹320 (c) ₹400 (d) ₹2320
21. 21.The simple interest on ₹3500 for 3 years is ₹420. What is the rate per year? (a) 12% (b) 5% (c) 4% (d) 3%
22. 22.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
23. 23.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 8%
24. 24.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹4080 (b) ₹3360 (c) ₹4440 (d) ₹1080
25. 25.What is the simple interest on ₹8000 at 2% per year for 5 years? (a) ₹960 (b) ₹800 (c) ₹8800 (d) ₹160
26. 26.The simple interest on ₹10000 for 2 years is ₹1400. What is the rate per year? (a) 14% (b) 7% (c) 8% (d) 6%
27. 27.The simple interest on ₹2500 for 5 years is ₹250. What is the rate per year? (a) 10% (b) 2% (c) 3% (d) 1%
28. 28.₹3000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹3210 (b) ₹420 (c) ₹3420 (d) ₹3630
29. 29.The simple interest on ₹2000 for 4 years is ₹880. What is the rate per year? (a) 12% (b) 11% (c) 44% (d) 10%
30. 30.What is the simple interest on ₹10000 at 11% per year for 5 years? (a) ₹6600 (b) ₹1100 (c) ₹5500 (d) ₹15500
31. 31.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹2240 (b) ₹360 (c) ₹240 (d) ₹120
32. 32.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹175 (b) ₹700 (c) ₹875 (d) ₹3200
33. 33.What is the simple interest on ₹10000 at 11% per year for 3 years? (a) ₹13300 (b) ₹3300 (c) ₹4400 (d) ₹1100
34. 34.What is the simple interest on ₹4000 at 4% per year for 4 years? (a) ₹800 (b) ₹4640 (c) ₹640 (d) ₹160
35. 35.The simple interest on ₹3500 for 5 years is ₹700. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 3%
36. 36.In how many years will ₹8500 earn ₹2380 simple interest at 7% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
37. 37.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹240 (b) ₹3240 (c) ₹360 (d) ₹120
38. 38.₹9000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹10080 (b) ₹10620 (c) ₹9540 (d) ₹1080
39. 39.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹360 (b) ₹90 (c) ₹270 (d) ₹3270
40. 40.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 12% (b) 33% (c) 11% (d) 10%

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