Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 68 · 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 ₹3500 at 12% per year for 2 years? (a) ₹420 (b) ₹1260 (c) ₹4340 (d) ₹840
2. 2.What is the simple interest on ₹4000 at 4% per year for 4 years? (a) ₹160 (b) ₹640 (c) ₹4640 (d) ₹800
3. 3.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹1560 (c) ₹1860 (d) ₹1800
4. 4.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
5. 5.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹6600 (b) ₹5720 (c) ₹880 (d) ₹6380
6. 6.In how many years will ₹1000 earn ₹90 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
7. 7.The simple interest on ₹3500 for 3 years is ₹210. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 1%
8. 8.In how many years will ₹8000 earn ₹2800 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
9. 9.₹1000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1240 (b) ₹1080 (c) ₹1320 (d) ₹240
10. 10.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
11. 11.₹5000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹5500 (c) ₹5100 (d) ₹5600
12. 12.₹3500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹770 (b) ₹3885 (c) ₹4270 (d) ₹4655
13. 13.The simple interest on ₹1500 for 3 years is ₹180. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
14. 14.In how many years will ₹1500 earn ₹495 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
15. 15.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹600 (b) ₹400 (c) ₹200 (d) ₹4400
16. 16.In how many years will ₹5500 earn ₹1540 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
17. 17.The simple interest on ₹5500 for 4 years is ₹440. What is the rate per year? (a) 3% (b) 2% (c) 8% (d) 1%
18. 18.₹6000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹7440 (b) ₹7800 (c) ₹1440 (d) ₹6360
19. 19.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹520 (b) ₹7280 (c) ₹7020 (d) ₹6760
20. 20.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
21. 21.In how many years will ₹5000 earn ₹1400 simple interest at 7% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
22. 22.What is the simple interest on ₹3000 at 9% per year for 2 years? (a) ₹3540 (b) ₹810 (c) ₹270 (d) ₹540
23. 23.In how many years will ₹4500 earn ₹540 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
24. 24.₹6500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1300 (b) ₹7150 (c) ₹8450 (d) ₹7800
25. 25.What is the simple interest on ₹7000 at 3% per year for 2 years? (a) ₹630 (b) ₹210 (c) ₹7420 (d) ₹420
26. 26.₹4500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹4815 (b) ₹6075 (c) ₹5760 (d) ₹1260
27. 27.₹6500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹7280 (b) ₹3900 (c) ₹11180 (d) ₹10400
28. 28.The simple interest on ₹9500 for 3 years is ₹1425. What is the rate per year? (a) 5% (b) 6% (c) 15% (d) 4%
29. 29.What is the simple interest on ₹7000 at 10% per year for 4 years? (a) ₹700 (b) ₹2800 (c) ₹3500 (d) ₹9800
30. 30.In how many years will ₹3500 earn ₹840 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
31. 31.In how many years will ₹10000 earn ₹3500 simple interest at 7% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
32. 32.What is the simple interest on ₹10000 at 3% per year for 4 years? (a) ₹1500 (b) ₹11200 (c) ₹300 (d) ₹1200
33. 33.What is the simple interest on ₹7000 at 3% per year for 5 years? (a) ₹1260 (b) ₹8050 (c) ₹210 (d) ₹1050
34. 34.In how many years will ₹2000 earn ₹540 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
35. 35.What is the simple interest on ₹3500 at 12% per year for 3 years? (a) ₹1680 (b) ₹420 (c) ₹1260 (d) ₹4760
36. 36.The simple interest on ₹3500 for 5 years is ₹525. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 15%
37. 37.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹11100 (b) ₹4500 (c) ₹3600 (d) ₹900
38. 38.In how many years will ₹4000 earn ₹1400 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
39. 39.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5100 (b) ₹5200 (c) ₹5300 (d) ₹200
40. 40.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹375 (b) ₹1125 (c) ₹8250 (d) ₹750

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