Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 859 · 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 ₹4500 earn ₹180 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
2. 2.What is the simple interest on ₹9500 at 6% per year for 5 years? (a) ₹2850 (b) ₹3420 (c) ₹570 (d) ₹12350
3. 3.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹6160 (b) ₹330 (c) ₹660 (d) ₹990
4. 4.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹11210 (b) ₹2565 (c) ₹1710 (d) ₹855
5. 5.₹2000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2180 (b) ₹540 (c) ₹2720 (d) ₹2540
6. 6.The simple interest on ₹3500 for 4 years is ₹280. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 8%
7. 7.What is the simple interest on ₹6500 at 8% per year for 2 years? (a) ₹7540 (b) ₹1560 (c) ₹1040 (d) ₹520
8. 8.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹1890 (b) ₹8260 (c) ₹630 (d) ₹1260
9. 9.₹8000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹11840 (b) ₹11200 (c) ₹3200 (d) ₹8640
10. 10.In how many years will ₹5000 earn ₹800 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
11. 11.In how many years will ₹1500 earn ₹750 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
12. 12.₹3000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹420 (b) ₹3420 (c) ₹3210 (d) ₹3630
13. 13.In how many years will ₹5000 earn ₹900 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
14. 14.The simple interest on ₹1500 for 4 years is ₹300. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 20%
15. 15.₹10000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1200 (b) ₹10300 (c) ₹11500 (d) ₹11200
16. 16.In how many years will ₹1500 earn ₹480 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
17. 17.The simple interest on ₹3500 for 4 years is ₹1680. What is the rate per year? (a) 12% (b) 48% (c) 11% (d) 13%
18. 18.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹125 (b) ₹2750 (c) ₹375 (d) ₹250
19. 19.₹8000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8240 (b) ₹720 (c) ₹8720 (d) ₹8960
20. 20.What is the simple interest on ₹1000 at 2% per year for 4 years? (a) ₹80 (b) ₹100 (c) ₹1080 (d) ₹20
21. 21.₹9000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹13050 (b) ₹3240 (c) ₹9810 (d) ₹12240
22. 22.The simple interest on ₹3000 for 5 years is ₹1350. What is the rate per year? (a) 45% (b) 8% (c) 9% (d) 10%
23. 23.The simple interest on ₹5500 for 2 years is ₹660. What is the rate per year? (a) 7% (b) 5% (c) 12% (d) 6%
24. 24.₹9000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹10440 (b) ₹9360 (c) ₹10080 (d) ₹1080
25. 25.What is the simple interest on ₹10000 at 5% per year for 4 years? (a) ₹12000 (b) ₹2000 (c) ₹500 (d) ₹2500
26. 26.In how many years will ₹5500 earn ₹825 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
27. 27.₹9500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹12350 (b) ₹10450 (c) ₹13300 (d) ₹2850
28. 28.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹600 (b) ₹3600 (c) ₹120 (d) ₹720
29. 29.In how many years will ₹9000 earn ₹2160 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
30. 30.The simple interest on ₹4000 for 2 years is ₹800. What is the rate per year? (a) 10% (b) 9% (c) 20% (d) 11%
31. 31.₹6500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7085 (b) ₹6695 (c) ₹390 (d) ₹6890
32. 32.What is the simple interest on ₹8500 at 6% per year for 2 years? (a) ₹510 (b) ₹9520 (c) ₹1020 (d) ₹1530
33. 33.₹7500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹8325 (b) ₹9975 (c) ₹1650 (d) ₹9150
34. 34.What is the simple interest on ₹7000 at 6% per year for 5 years? (a) ₹420 (b) ₹2520 (c) ₹9100 (d) ₹2100
35. 35.In how many years will ₹7500 earn ₹300 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
36. 36.₹3000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹3120 (c) ₹3480 (d) ₹480
37. 37.The simple interest on ₹3500 for 4 years is ₹1400. What is the rate per year? (a) 9% (b) 11% (c) 40% (d) 10%
38. 38.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹780 (b) ₹8840 (c) ₹3120 (d) ₹2340
39. 39.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹6240 (c) ₹6120 (d) ₹240
40. 40.What is the simple interest on ₹5000 at 12% per year for 4 years? (a) ₹600 (b) ₹3000 (c) ₹2400 (d) ₹7400

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