Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 777 · 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.₹4000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4240 (b) ₹4080 (c) ₹4160 (d) ₹160
2. 2.₹7000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7420 (b) ₹280 (c) ₹7140 (d) ₹7280
3. 3.₹3500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹3745 (b) ₹980 (c) ₹4480 (d) ₹4725
4. 4.The simple interest on ₹2000 for 2 years is ₹120. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 4%
5. 5.₹9000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹11700 (b) ₹12240 (c) ₹2700 (d) ₹9540
6. 6.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹495 (b) ₹165 (c) ₹1830 (d) ₹330
7. 7.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹750 (b) ₹150 (c) ₹5750 (d) ₹900
8. 8.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹935 (b) ₹5610 (c) ₹4675 (d) ₹13175
9. 9.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1140 (b) ₹9880 (c) ₹10640 (d) ₹11020
10. 10.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹1905 (b) ₹540 (c) ₹405 (d) ₹135
11. 11.In how many years will ₹5500 earn ₹990 simple interest at 9% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
12. 12.The simple interest on ₹8500 for 3 years is ₹2295. What is the rate per year? (a) 27% (b) 10% (c) 9% (d) 8%
13. 13.In how many years will ₹9000 earn ₹720 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
14. 14.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹1680 (b) ₹560 (c) ₹2240 (d) ₹8680
15. 15.₹2500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2650 (b) ₹150 (c) ₹2700 (d) ₹2550
16. 16.₹2000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2600 (b) ₹2500 (c) ₹2100 (d) ₹500
17. 17.₹5500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹7920 (b) ₹6105 (c) ₹7315 (d) ₹1815
18. 18.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹4340 (b) ₹420 (c) ₹840 (d) ₹1260
19. 19.The simple interest on ₹3500 for 2 years is ₹560. What is the rate per year? (a) 16% (b) 9% (c) 8% (d) 7%
20. 20.In how many years will ₹5500 earn ₹660 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
21. 21.In how many years will ₹2000 earn ₹400 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
22. 22.In how many years will ₹6500 earn ₹1560 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
23. 23.What is the simple interest on ₹9500 at 12% per year for 2 years? (a) ₹3420 (b) ₹1140 (c) ₹2280 (d) ₹11780
24. 24.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 2% (b) 1% (c) 4% (d) 3%
25. 25.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹10260 (b) ₹1140 (c) ₹760 (d) ₹380
26. 26.What is the simple interest on ₹6000 at 6% per year for 2 years? (a) ₹6720 (b) ₹1080 (c) ₹720 (d) ₹360
27. 27.In how many years will ₹6000 earn ₹1080 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
28. 28.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹1680 (b) ₹270 (c) ₹90 (d) ₹180
29. 29.What is the simple interest on ₹7500 at 9% per year for 4 years? (a) ₹2700 (b) ₹3375 (c) ₹675 (d) ₹10200
30. 30.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
31. 31.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹600 (b) ₹120 (c) ₹3600 (d) ₹720
32. 32.₹9500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹11780 (b) ₹1710 (c) ₹11210 (d) ₹10070
33. 33.In how many years will ₹10000 earn ₹1800 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
34. 34.In how many years will ₹1000 earn ₹60 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
35. 35.₹8000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹9600 (c) ₹1200 (d) ₹9200
36. 36.In how many years will ₹9500 earn ₹380 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
37. 37.In how many years will ₹2000 earn ₹720 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
38. 38.What is the simple interest on ₹1500 at 12% per year for 4 years? (a) ₹2220 (b) ₹900 (c) ₹180 (d) ₹720
39. 39.The simple interest on ₹6000 for 5 years is ₹3600. What is the rate per year? (a) 60% (b) 11% (c) 13% (d) 12%
40. 40.The simple interest on ₹9000 for 4 years is ₹2160. What is the rate per year? (a) 24% (b) 7% (c) 5% (d) 6%

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