Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 570 · 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.What is the simple interest on ₹6500 at 6% per year for 4 years? (a) ₹8060 (b) ₹1560 (c) ₹1950 (d) ₹390
2. 2.The simple interest on ₹4000 for 5 years is ₹1600. What is the rate per year? (a) 7% (b) 40% (c) 9% (d) 8%
3. 3.What is the simple interest on ₹1500 at 2% per year for 4 years? (a) ₹30 (b) ₹120 (c) ₹150 (d) ₹1620
4. 4.What is the simple interest on ₹7500 at 4% per year for 4 years? (a) ₹8700 (b) ₹300 (c) ₹1500 (d) ₹1200
5. 5.In how many years will ₹2000 earn ₹540 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
6. 6.₹7500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7950 (b) ₹7725 (c) ₹8175 (d) ₹450
7. 7.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹1440 (b) ₹480 (c) ₹960 (d) ₹4960
8. 8.₹8500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹13090 (b) ₹3825 (c) ₹9265 (d) ₹12325
9. 9.In how many years will ₹3500 earn ₹1050 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
10. 10.₹3000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹3540 (b) ₹3810 (c) ₹540 (d) ₹3270
11. 11.₹4500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2475 (b) ₹7470 (c) ₹6975 (d) ₹4995
12. 12.The simple interest on ₹2000 for 2 years is ₹120. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 6%
13. 13.₹7500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹8325 (b) ₹10800 (c) ₹2475 (d) ₹9975
14. 14.The simple interest on ₹1000 for 2 years is ₹140. What is the rate per year? (a) 6% (b) 8% (c) 14% (d) 7%
15. 15.The simple interest on ₹2000 for 5 years is ₹1000. What is the rate per year? (a) 9% (b) 50% (c) 11% (d) 10%
16. 16.In how many years will ₹7500 earn ₹300 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
17. 17.In how many years will ₹8000 earn ₹3600 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
18. 18.In how many years will ₹10000 earn ₹2500 simple interest at 5% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
19. 19.In how many years will ₹7000 earn ₹1120 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
20. 20.In how many years will ₹4500 earn ₹360 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
21. 21.The simple interest on ₹9000 for 4 years is ₹1440. What is the rate per year? (a) 16% (b) 4% (c) 3% (d) 5%
22. 22.What is the simple interest on ₹4000 at 12% per year for 5 years? (a) ₹2400 (b) ₹480 (c) ₹6400 (d) ₹2880
23. 23.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
24. 24.What is the simple interest on ₹5000 at 7% per year for 2 years? (a) ₹5700 (b) ₹350 (c) ₹700 (d) ₹1050
25. 25.The simple interest on ₹9500 for 3 years is ₹570. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 1%
26. 26.What is the simple interest on ₹6000 at 4% per year for 2 years? (a) ₹480 (b) ₹240 (c) ₹6480 (d) ₹720
27. 27.₹7500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹9000 (b) ₹9300 (c) ₹1500 (d) ₹7800
28. 28.What is the simple interest on ₹6000 at 11% per year for 2 years? (a) ₹1320 (b) ₹1980 (c) ₹7320 (d) ₹660
29. 29.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹6120 (c) ₹6240 (d) ₹240
30. 30.₹1000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹550 (b) ₹1110 (c) ₹1660 (d) ₹1550
31. 31.What is the simple interest on ₹6000 at 5% per year for 2 years? (a) ₹300 (b) ₹900 (c) ₹6600 (d) ₹600
32. 32.The simple interest on ₹4500 for 2 years is ₹450. What is the rate per year? (a) 5% (b) 4% (c) 10% (d) 6%
33. 33.₹2500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹2625 (b) ₹3000 (c) ₹3125 (d) ₹500
34. 34.What is the simple interest on ₹6500 at 10% per year for 4 years? (a) ₹9100 (b) ₹2600 (c) ₹3250 (d) ₹650
35. 35.The simple interest on ₹2500 for 5 years is ₹250. What is the rate per year? (a) 1% (b) 3% (c) 10% (d) 2%
36. 36.The simple interest on ₹8500 for 2 years is ₹2040. What is the rate per year? (a) 12% (b) 24% (c) 11% (d) 13%
37. 37.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹3080 (b) ₹770 (c) ₹9310 (d) ₹2310
38. 38.The simple interest on ₹9000 for 5 years is ₹3600. What is the rate per year? (a) 9% (b) 7% (c) 40% (d) 8%
39. 39.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹550 (b) ₹3300 (c) ₹2750 (d) ₹8250
40. 40.₹2000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹560 (b) ₹2700 (c) ₹2140 (d) ₹2560

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