Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 489 · 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.₹6500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6955 (b) ₹7865 (c) ₹910 (d) ₹7410
2. 2.₹8500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹9520 (b) ₹8755 (c) ₹9775 (d) ₹1020
3. 3.₹5500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1320 (b) ₹6820 (c) ₹5940 (d) ₹7260
4. 4.₹5000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹6000 (b) ₹5200 (c) ₹5800 (d) ₹800
5. 5.The simple interest on ₹3500 for 2 years is ₹210. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 4%
6. 6.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹8260 (b) ₹1260 (c) ₹630 (d) ₹1890
7. 7.The simple interest on ₹6000 for 2 years is ₹960. What is the rate per year? (a) 9% (b) 7% (c) 16% (d) 8%
8. 8.The simple interest on ₹7000 for 5 years is ₹4200. What is the rate per year? (a) 60% (b) 11% (c) 12% (d) 13%
9. 9.In how many years will ₹8500 earn ₹5100 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
10. 10.The simple interest on ₹9500 for 2 years is ₹1900. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 20%
11. 11.In how many years will ₹6000 earn ₹360 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
12. 12.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹4400 (b) ₹400 (c) ₹80 (d) ₹480
13. 13.₹2000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹800 (b) ₹2960 (c) ₹2160 (d) ₹2800
14. 14.What is the simple interest on ₹6000 at 9% per year for 5 years? (a) ₹540 (b) ₹3240 (c) ₹8700 (d) ₹2700
15. 15.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹150 (b) ₹750 (c) ₹3600 (d) ₹600
16. 16.What is the simple interest on ₹2500 at 11% per year for 2 years? (a) ₹3050 (b) ₹550 (c) ₹275 (d) ₹825
17. 17.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹2310 (b) ₹5425 (c) ₹385 (d) ₹1925
18. 18.₹5000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1400 (b) ₹5350 (c) ₹6400 (d) ₹6750
19. 19.In how many years will ₹10000 earn ₹2400 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
20. 20.₹2500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹600 (b) ₹2650 (c) ₹3100 (d) ₹3250
21. 21.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
22. 22.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹800 (b) ₹200 (c) ₹600 (d) ₹10600
23. 23.The simple interest on ₹1000 for 4 years is ₹200. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 20%
24. 24.In how many years will ₹3500 earn ₹525 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
25. 25.What is the simple interest on ₹9000 at 10% per year for 5 years? (a) ₹900 (b) ₹4500 (c) ₹5400 (d) ₹13500
26. 26.What is the simple interest on ₹7500 at 6% per year for 5 years? (a) ₹2700 (b) ₹9750 (c) ₹2250 (d) ₹450
27. 27.In how many years will ₹9000 earn ₹2700 simple interest at 6% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
28. 28.The simple interest on ₹1500 for 3 years is ₹270. What is the rate per year? (a) 18% (b) 6% (c) 5% (d) 7%
29. 29.What is the simple interest on ₹6000 at 3% per year for 2 years? (a) ₹6360 (b) ₹540 (c) ₹360 (d) ₹180
30. 30.₹9000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹10620 (b) ₹1620 (c) ₹11160 (d) ₹9540
31. 31.In how many years will ₹4000 earn ₹400 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
32. 32.In how many years will ₹9000 earn ₹900 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
33. 33.In how many years will ₹1500 earn ₹600 simple interest at 8% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
34. 34.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 8% (b) 4% (c) 5% (d) 3%
35. 35.The simple interest on ₹9000 for 4 years is ₹720. What is the rate per year? (a) 3% (b) 8% (c) 1% (d) 2%
36. 36.₹6500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹8645 (b) ₹7215 (c) ₹1430 (d) ₹7930
37. 37.What is the simple interest on ₹6000 at 8% per year for 2 years? (a) ₹480 (b) ₹960 (c) ₹6960 (d) ₹1440
38. 38.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹1560 (b) ₹8060 (c) ₹520 (d) ₹2080
39. 39.The simple interest on ₹6500 for 3 years is ₹390. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 1%
40. 40.What is the simple interest on ₹10000 at 11% per year for 5 years? (a) ₹1100 (b) ₹15500 (c) ₹5500 (d) ₹6600

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