Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 287 · 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.The simple interest on ₹3000 for 3 years is ₹270. What is the rate per year? (a) 3% (b) 4% (c) 9% (d) 2%
2. 2.₹2500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2650 (b) ₹100 (c) ₹2600 (d) ₹2550
3. 3.What is the simple interest on ₹8500 at 5% per year for 2 years? (a) ₹1275 (b) ₹850 (c) ₹425 (d) ₹9350
4. 4.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 12% (b) 13% (c) 24% (d) 11%
5. 5.In how many years will ₹9500 earn ₹1330 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
6. 6.The simple interest on ₹10000 for 3 years is ₹3600. What is the rate per year? (a) 36% (b) 12% (c) 11% (d) 13%
7. 7.What is the simple interest on ₹3000 at 9% per year for 3 years? (a) ₹1080 (b) ₹3810 (c) ₹810 (d) ₹270
8. 8.In how many years will ₹1000 earn ₹240 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
9. 9.In how many years will ₹3500 earn ₹1260 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
10. 10.The simple interest on ₹4000 for 5 years is ₹1000. What is the rate per year? (a) 6% (b) 25% (c) 4% (d) 5%
11. 11.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹1800 (b) ₹375 (c) ₹75 (d) ₹300
12. 12.The simple interest on ₹4000 for 3 years is ₹1200. What is the rate per year? (a) 30% (b) 10% (c) 9% (d) 11%
13. 13.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹935 (b) ₹10370 (c) ₹1870 (d) ₹2805
14. 14.In how many years will ₹3500 earn ₹840 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
15. 15.In how many years will ₹4000 earn ₹320 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
16. 16.The simple interest on ₹3500 for 4 years is ₹1260. What is the rate per year? (a) 36% (b) 10% (c) 9% (d) 8%
17. 17.In how many years will ₹6500 earn ₹975 simple interest at 3% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
18. 18.₹3500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹420 (b) ₹4025 (c) ₹3605 (d) ₹3920
19. 19.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹200 (b) ₹600 (c) ₹400 (d) ₹10400
20. 20.In how many years will ₹9500 earn ₹2660 simple interest at 7% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
21. 21.₹8500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹9520 (b) ₹13600 (c) ₹5100 (d) ₹14620
22. 22.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹90 (b) ₹270 (c) ₹360 (d) ₹4770
23. 23.In how many years will ₹5000 earn ₹1200 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
24. 24.In how many years will ₹1500 earn ₹225 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
25. 25.The simple interest on ₹6500 for 3 years is ₹1170. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 18%
26. 26.₹3000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3300 (b) ₹4200 (c) ₹900 (d) ₹3900
27. 27.The simple interest on ₹2500 for 4 years is ₹1100. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 44%
28. 28.The simple interest on ₹4000 for 3 years is ₹840. What is the rate per year? (a) 7% (b) 6% (c) 21% (d) 8%
29. 29.₹1500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2040 (b) ₹2220 (c) ₹1680 (d) ₹540
30. 30.₹7500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9525 (b) ₹8850 (c) ₹1350 (d) ₹8175
31. 31.What is the simple interest on ₹3000 at 10% per year for 4 years? (a) ₹1200 (b) ₹1500 (c) ₹4200 (d) ₹300
32. 32.In how many years will ₹8000 earn ₹3840 simple interest at 12% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
33. 33.What is the simple interest on ₹3000 at 6% per year for 5 years? (a) ₹900 (b) ₹3900 (c) ₹1080 (d) ₹180
34. 34.What is the simple interest on ₹10000 at 8% per year for 2 years? (a) ₹1600 (b) ₹800 (c) ₹11600 (d) ₹2400
35. 35.What is the simple interest on ₹1000 at 11% per year for 4 years? (a) ₹440 (b) ₹1440 (c) ₹110 (d) ₹550
36. 36.In how many years will ₹8500 earn ₹1785 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
37. 37.What is the simple interest on ₹4000 at 7% per year for 5 years? (a) ₹1400 (b) ₹5400 (c) ₹1680 (d) ₹280
38. 38.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹120 (b) ₹3240 (c) ₹360 (d) ₹240
39. 39.What is the simple interest on ₹2500 at 12% per year for 4 years? (a) ₹300 (b) ₹1500 (c) ₹3700 (d) ₹1200
40. 40.In how many years will ₹9500 earn ₹855 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years

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