Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 179 · 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.In how many years will ₹1500 earn ₹825 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
2. 2.What is the simple interest on ₹9500 at 8% per year for 3 years? (a) ₹2280 (b) ₹760 (c) ₹11780 (d) ₹3040
3. 3.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
4. 4.What is the simple interest on ₹1500 at 4% per year for 4 years? (a) ₹240 (b) ₹1740 (c) ₹60 (d) ₹300
5. 5.In how many years will ₹6000 earn ₹3300 simple interest at 11% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
6. 6.The simple interest on ₹7500 for 2 years is ₹750. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 10%
7. 7.₹5000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹5450 (b) ₹5600 (c) ₹450 (d) ₹5150
8. 8.What is the simple interest on ₹7000 at 3% per year for 5 years? (a) ₹1050 (b) ₹1260 (c) ₹8050 (d) ₹210
9. 9.The simple interest on ₹9500 for 2 years is ₹1520. What is the rate per year? (a) 16% (b) 7% (c) 8% (d) 9%
10. 10.The simple interest on ₹7500 for 4 years is ₹3000. What is the rate per year? (a) 40% (b) 9% (c) 11% (d) 10%
11. 11.₹5500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹440 (b) ₹6160 (c) ₹5940 (d) ₹5720
12. 12.In how many years will ₹1000 earn ₹480 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
13. 13.What is the simple interest on ₹5000 at 5% per year for 2 years? (a) ₹500 (b) ₹750 (c) ₹5500 (d) ₹250
14. 14.₹7000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7840 (b) ₹840 (c) ₹8120 (d) ₹7280
15. 15.₹8500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹10370 (b) ₹1870 (c) ₹9435 (d) ₹11305
16. 16.In how many years will ₹3000 earn ₹600 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
17. 17.₹2000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹2360 (b) ₹360 (c) ₹2180 (d) ₹2540
18. 18.In how many years will ₹6500 earn ₹1950 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
19. 19.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹600 (b) ₹100 (c) ₹500 (d) ₹3000
20. 20.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 10% (b) 12% (c) 22% (d) 11%
21. 21.What is the simple interest on ₹8000 at 11% per year for 3 years? (a) ₹880 (b) ₹3520 (c) ₹10640 (d) ₹2640
22. 22.What is the simple interest on ₹1500 at 11% per year for 4 years? (a) ₹2160 (b) ₹825 (c) ₹165 (d) ₹660
23. 23.₹5000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹5550 (b) ₹7200 (c) ₹2200 (d) ₹7750
24. 24.What is the simple interest on ₹7500 at 4% per year for 5 years? (a) ₹1800 (b) ₹1500 (c) ₹9000 (d) ₹300
25. 25.₹1000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹1100 (c) ₹500 (d) ₹1600
26. 26.₹3000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4080 (b) ₹3270 (c) ₹810 (d) ₹3810
27. 27.₹9500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹10640 (b) ₹9880 (c) ₹760 (d) ₹10260
28. 28.In how many years will ₹5500 earn ₹1100 simple interest at 5% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
29. 29.What is the simple interest on ₹8000 at 3% per year for 2 years? (a) ₹8480 (b) ₹720 (c) ₹240 (d) ₹480
30. 30.The simple interest on ₹3000 for 5 years is ₹1050. What is the rate per year? (a) 35% (b) 7% (c) 8% (d) 6%
31. 31.In how many years will ₹6000 earn ₹1620 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
32. 32.In how many years will ₹9500 earn ₹760 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
33. 33.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹450 (b) ₹300 (c) ₹150 (d) ₹2800
34. 34.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
35. 35.The simple interest on ₹5500 for 4 years is ₹2200. What is the rate per year? (a) 40% (b) 10% (c) 11% (d) 9%
36. 36.In how many years will ₹2000 earn ₹500 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
37. 37.In how many years will ₹7000 earn ₹2520 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
38. 38.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹375 (b) ₹250 (c) ₹2750 (d) ₹125
39. 39.The simple interest on ₹2500 for 5 years is ₹1125. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
40. 40.₹5000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹5750 (b) ₹500 (c) ₹5250 (d) ₹5500

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