Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 929 · 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 ₹1000 for 2 years is ₹80. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 8%
2. 2.What is the simple interest on ₹4500 at 2% per year for 4 years? (a) ₹4860 (b) ₹450 (c) ₹360 (d) ₹90
3. 3.In how many years will ₹9000 earn ₹540 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
4. 4.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹1300 (c) ₹1400 (d) ₹1100
5. 5.The simple interest on ₹6500 for 5 years is ₹3250. What is the rate per year? (a) 9% (b) 10% (c) 50% (d) 11%
6. 6.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5830 (b) ₹330 (c) ₹5665 (d) ₹5995
7. 7.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹1740 (b) ₹240 (c) ₹120 (d) ₹360
8. 8.The simple interest on ₹9500 for 2 years is ₹760. What is the rate per year? (a) 3% (b) 8% (c) 4% (d) 5%
9. 9.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹3600 (b) ₹150 (c) ₹600 (d) ₹750
10. 10.In how many years will ₹10000 earn ₹1000 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
11. 11.In how many years will ₹3500 earn ₹840 simple interest at 8% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
12. 12.What is the simple interest on ₹7500 at 9% per year for 4 years? (a) ₹3375 (b) ₹10200 (c) ₹2700 (d) ₹675
13. 13.What is the simple interest on ₹1000 at 2% per year for 4 years? (a) ₹20 (b) ₹100 (c) ₹80 (d) ₹1080
14. 14.₹1500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹480 (b) ₹2100 (c) ₹1980 (d) ₹1620
15. 15.₹2000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹600 (b) ₹2200 (c) ₹2800 (d) ₹2600
16. 16.In how many years will ₹1000 earn ₹120 simple interest at 3% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
17. 17.In how many years will ₹8500 earn ₹3740 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
18. 18.In how many years will ₹4500 earn ₹1440 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
19. 19.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹90 (b) ₹450 (c) ₹1860 (d) ₹360
20. 20.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹8260 (b) ₹630 (c) ₹1890 (d) ₹1260
21. 21.What is the simple interest on ₹9000 at 8% per year for 3 years? (a) ₹720 (b) ₹2160 (c) ₹11160 (d) ₹2880
22. 22.The simple interest on ₹1000 for 2 years is ₹40. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 4%
23. 23.₹2000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹600 (b) ₹2720 (c) ₹2600 (d) ₹2120
24. 24.What is the simple interest on ₹6500 at 12% per year for 2 years? (a) ₹1560 (b) ₹8060 (c) ₹780 (d) ₹2340
25. 25.₹8500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹10540 (b) ₹8840 (c) ₹10200 (d) ₹1700
26. 26.What is the simple interest on ₹5500 at 8% per year for 3 years? (a) ₹440 (b) ₹1760 (c) ₹6820 (d) ₹1320
27. 27.What is the simple interest on ₹9000 at 7% per year for 5 years? (a) ₹3780 (b) ₹3150 (c) ₹12150 (d) ₹630
28. 28.The simple interest on ₹2000 for 2 years is ₹280. What is the rate per year? (a) 14% (b) 8% (c) 6% (d) 7%
29. 29.What is the simple interest on ₹3500 at 10% per year for 3 years? (a) ₹1400 (b) ₹1050 (c) ₹350 (d) ₹4550
30. 30.In how many years will ₹4500 earn ₹360 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
31. 31.In how many years will ₹4000 earn ₹400 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
32. 32.₹2500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2725 (b) ₹1125 (c) ₹3850 (d) ₹3625
33. 33.What is the simple interest on ₹10000 at 12% per year for 5 years? (a) ₹1200 (b) ₹6000 (c) ₹7200 (d) ₹16000
34. 34.What is the simple interest on ₹1000 at 12% per year for 5 years? (a) ₹720 (b) ₹120 (c) ₹1600 (d) ₹600
35. 35.In how many years will ₹3000 earn ₹1500 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
36. 36.The simple interest on ₹4000 for 2 years is ₹160. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
37. 37.₹1500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1620 (b) ₹2220 (c) ₹600 (d) ₹2100
38. 38.₹7000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10150 (b) ₹7630 (c) ₹9520 (d) ₹2520
39. 39.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2550 (b) ₹2800 (c) ₹2750 (d) ₹250
40. 40.The simple interest on ₹8500 for 2 years is ₹510. What is the rate per year? (a) 6% (b) 4% (c) 3% (d) 2%

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