Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 96 · 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.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹7800 (b) ₹6300 (c) ₹7500 (d) ₹1500
2. 2.₹10000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹10800 (b) ₹11000 (c) ₹800 (d) ₹10200
3. 3.The simple interest on ₹9000 for 5 years is ₹3150. What is the rate per year? (a) 35% (b) 6% (c) 7% (d) 8%
4. 4.What is the simple interest on ₹6500 at 11% per year for 3 years? (a) ₹715 (b) ₹2860 (c) ₹2145 (d) ₹8645
5. 5.In how many years will ₹2500 earn ₹875 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
6. 6.The simple interest on ₹7500 for 2 years is ₹450. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 6%
7. 7.What is the simple interest on ₹6500 at 2% per year for 4 years? (a) ₹650 (b) ₹520 (c) ₹130 (d) ₹7020
8. 8.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3920 (b) ₹315 (c) ₹3815 (d) ₹3605
9. 9.In how many years will ₹7000 earn ₹2520 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
10. 10.In how many years will ₹6500 earn ₹520 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
11. 11.₹3000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹4200 (b) ₹3240 (c) ₹3960 (d) ₹960
12. 12.What is the simple interest on ₹3000 at 9% per year for 2 years? (a) ₹540 (b) ₹3540 (c) ₹810 (d) ₹270
13. 13.In how many years will ₹5500 earn ₹2200 simple interest at 8% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
14. 14.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹735 (b) ₹3990 (c) ₹490 (d) ₹245
15. 15.In how many years will ₹4500 earn ₹2475 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
16. 16.In how many years will ₹9500 earn ₹5700 simple interest at 12% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
17. 17.₹8500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹9435 (b) ₹13175 (c) ₹12240 (d) ₹3740
18. 18.In how many years will ₹7500 earn ₹300 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
19. 19.₹10000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10300 (b) ₹1500 (c) ₹11800 (d) ₹11500
20. 20.The simple interest on ₹7500 for 5 years is ₹4500. What is the rate per year? (a) 11% (b) 12% (c) 60% (d) 13%
21. 21.In how many years will ₹1000 earn ₹240 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
22. 22.₹7500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1200 (b) ₹9000 (c) ₹8700 (d) ₹7800
23. 23.In how many years will ₹5000 earn ₹2200 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
24. 24.The simple interest on ₹1500 for 3 years is ₹180. What is the rate per year? (a) 3% (b) 5% (c) 12% (d) 4%
25. 25.In how many years will ₹1500 earn ₹750 simple interest at 10% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
26. 26.₹2500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2550 (b) ₹2650 (c) ₹2600 (d) ₹100
27. 27.In how many years will ₹10000 earn ₹5000 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
28. 28.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹1350 (b) ₹1125 (c) ₹3625 (d) ₹225
29. 29.What is the simple interest on ₹9000 at 9% per year for 2 years? (a) ₹10620 (b) ₹2430 (c) ₹1620 (d) ₹810
30. 30.In how many years will ₹5000 earn ₹1200 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
31. 31.The simple interest on ₹2000 for 4 years is ₹400. What is the rate per year? (a) 4% (b) 6% (c) 20% (d) 5%
32. 32.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹350 (b) ₹8750 (c) ₹1750 (d) ₹2100
33. 33.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 6% (b) 4% (c) 2% (d) 3%
34. 34.In how many years will ₹5000 earn ₹3000 simple interest at 12% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
35. 35.₹6000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹7500 (b) ₹7200 (c) ₹6300 (d) ₹1200
36. 36.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹3360 (b) ₹540 (c) ₹360 (d) ₹180
37. 37.₹7000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8050 (b) ₹1050 (c) ₹8260 (d) ₹7210
38. 38.The simple interest on ₹3000 for 5 years is ₹600. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 20%
39. 39.In how many years will ₹3500 earn ₹210 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
40. 40.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹900 (b) ₹750 (c) ₹150 (d) ₹8250

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