Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 934 · 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.₹7500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹11100 (b) ₹3000 (c) ₹8100 (d) ₹10500
2. 2.₹2000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2120 (b) ₹2360 (c) ₹2240 (d) ₹240
3. 3.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
4. 4.₹7500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹9000 (b) ₹1500 (c) ₹7800 (d) ₹9300
5. 5.In how many years will ₹1000 earn ₹270 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
6. 6.The simple interest on ₹2500 for 3 years is ₹450. What is the rate per year? (a) 18% (b) 7% (c) 5% (d) 6%
7. 7.₹1000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1120 (b) ₹1090 (c) ₹90 (d) ₹1030
8. 8.What is the simple interest on ₹10000 at 2% per year for 5 years? (a) ₹1200 (b) ₹1000 (c) ₹200 (d) ₹11000
9. 9.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
10. 10.In how many years will ₹4500 earn ₹2250 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
11. 11.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 1%
12. 12.In how many years will ₹6000 earn ₹1440 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
13. 13.What is the simple interest on ₹4000 at 9% per year for 3 years? (a) ₹1440 (b) ₹360 (c) ₹5080 (d) ₹1080
14. 14.What is the simple interest on ₹5500 at 7% per year for 4 years? (a) ₹7040 (b) ₹385 (c) ₹1540 (d) ₹1925
15. 15.What is the simple interest on ₹8000 at 3% per year for 5 years? (a) ₹240 (b) ₹1440 (c) ₹1200 (d) ₹9200
16. 16.What is the simple interest on ₹7000 at 11% per year for 4 years? (a) ₹3080 (b) ₹770 (c) ₹10080 (d) ₹3850
17. 17.What is the simple interest on ₹6500 at 3% per year for 4 years? (a) ₹780 (b) ₹7280 (c) ₹975 (d) ₹195
18. 18.What is the simple interest on ₹7000 at 3% per year for 5 years? (a) ₹8050 (b) ₹210 (c) ₹1050 (d) ₹1260
19. 19.What is the simple interest on ₹3000 at 8% per year for 4 years? (a) ₹240 (b) ₹3960 (c) ₹1200 (d) ₹960
20. 20.The simple interest on ₹9500 for 5 years is ₹1900. What is the rate per year? (a) 3% (b) 20% (c) 5% (d) 4%
21. 21.The simple interest on ₹2000 for 2 years is ₹400. What is the rate per year? (a) 10% (b) 11% (c) 20% (d) 9%
22. 22.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 12% (b) 4% (c) 3% (d) 2%
23. 23.In how many years will ₹1000 earn ₹450 simple interest at 9% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
24. 24.₹6000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1260 (b) ₹7680 (c) ₹6420 (d) ₹7260
25. 25.What is the simple interest on ₹7000 at 4% per year for 2 years? (a) ₹280 (b) ₹560 (c) ₹840 (d) ₹7560
26. 26.In how many years will ₹9000 earn ₹720 simple interest at 4% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
27. 27.₹3500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹700 (b) ₹4200 (c) ₹3675 (d) ₹4375
28. 28.What is the simple interest on ₹2500 at 12% per year for 5 years? (a) ₹4000 (b) ₹1500 (c) ₹300 (d) ₹1800
29. 29.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹1260 (b) ₹1575 (c) ₹4760 (d) ₹315
30. 30.₹7000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹7770 (b) ₹2310 (c) ₹10080 (d) ₹9310
31. 31.₹3000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹3180 (b) ₹3540 (c) ₹3720 (d) ₹540
32. 32.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹300 (b) ₹1800 (c) ₹375 (d) ₹75
33. 33.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹2040 (b) ₹680 (c) ₹10540 (d) ₹2720
34. 34.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 1%
35. 35.₹8000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹10240 (b) ₹9680 (c) ₹8560 (d) ₹1680
36. 36.The simple interest on ₹5000 for 2 years is ₹400. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
37. 37.₹7500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8850 (b) ₹7725 (c) ₹1125 (d) ₹8625
38. 38.The simple interest on ₹3500 for 2 years is ₹140. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
39. 39.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹570 (b) ₹10355 (c) ₹10070 (d) ₹9785
40. 40.₹8500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹9010 (b) ₹8755 (c) ₹510 (d) ₹9265

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