Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 184 · 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 ₹8500 at 4% per year for 3 years? (a) ₹9520 (b) ₹340 (c) ₹1020 (d) ₹1360
2. 2.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
3. 3.₹2000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2140 (b) ₹560 (c) ₹2700 (d) ₹2560
4. 4.₹7500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹7950 (b) ₹2250 (c) ₹9750 (d) ₹10200
5. 5.In how many years will ₹3500 earn ₹945 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
6. 6.₹8000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹10400 (b) ₹8400 (c) ₹10000 (d) ₹2000
7. 7.The simple interest on ₹6500 for 4 years is ₹1040. What is the rate per year? (a) 5% (b) 16% (c) 3% (d) 4%
8. 8.In how many years will ₹10000 earn ₹2400 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
9. 9.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 10% (c) 2% (d) 1%
10. 10.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹700 (b) ₹560 (c) ₹140 (d) ₹4060
11. 11.The simple interest on ₹10000 for 5 years is ₹1500. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 15%
12. 12.The simple interest on ₹5000 for 2 years is ₹1100. What is the rate per year? (a) 22% (b) 12% (c) 11% (d) 10%
13. 13.What is the simple interest on ₹2000 at 12% per year for 4 years? (a) ₹240 (b) ₹1200 (c) ₹2960 (d) ₹960
14. 14.₹6500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹7475 (b) ₹7150 (c) ₹6825 (d) ₹650
15. 15.The simple interest on ₹6000 for 3 years is ₹2160. What is the rate per year? (a) 36% (b) 11% (c) 13% (d) 12%
16. 16.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2120 (b) ₹2080 (c) ₹2040 (d) ₹80
17. 17.₹3000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹4620 (b) ₹3270 (c) ₹1350 (d) ₹4350
18. 18.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
19. 19.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1100 (b) ₹80 (c) ₹1080 (d) ₹1020
20. 20.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹1140 (b) ₹10640 (c) ₹285 (d) ₹1425
21. 21.What is the simple interest on ₹5000 at 11% per year for 2 years? (a) ₹1650 (b) ₹6100 (c) ₹1100 (d) ₹550
22. 22.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹270 (b) ₹4080 (c) ₹1350 (d) ₹1080
23. 23.The simple interest on ₹1500 for 3 years is ₹360. What is the rate per year? (a) 7% (b) 9% (c) 24% (d) 8%
24. 24.What is the simple interest on ₹9500 at 2% per year for 2 years? (a) ₹190 (b) ₹570 (c) ₹9880 (d) ₹380
25. 25.₹9500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹12065 (b) ₹10355 (c) ₹1710 (d) ₹11210
26. 26.The simple interest on ₹4500 for 4 years is ₹540. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 2%
27. 27.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 15% (b) 4% (c) 2% (d) 3%
28. 28.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹4440 (b) ₹4080 (c) ₹3360 (d) ₹1080
29. 29.The simple interest on ₹5000 for 4 years is ₹1200. What is the rate per year? (a) 24% (b) 7% (c) 6% (d) 5%
30. 30.The simple interest on ₹9500 for 4 years is ₹4180. What is the rate per year? (a) 12% (b) 10% (c) 44% (d) 11%
31. 31.In how many years will ₹6500 earn ₹1365 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
32. 32.The simple interest on ₹3500 for 4 years is ₹980. What is the rate per year? (a) 8% (b) 28% (c) 7% (d) 6%
33. 33.The simple interest on ₹8000 for 4 years is ₹3520. What is the rate per year? (a) 10% (b) 12% (c) 44% (d) 11%
34. 34.₹5000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹5300 (c) ₹5450 (d) ₹5150
35. 35.In how many years will ₹1500 earn ₹360 simple interest at 8% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
36. 36.The simple interest on ₹3000 for 2 years is ₹540. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 18%
37. 37.In how many years will ₹5000 earn ₹1200 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
38. 38.₹7000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7210 (b) ₹420 (c) ₹7630 (d) ₹7420
39. 39.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹30 (b) ₹90 (c) ₹60 (d) ₹1560
40. 40.In how many years will ₹7500 earn ₹1125 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years

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