Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 756 · 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 ₹6000 for 2 years is ₹480. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 8%
2. 2.What is the simple interest on ₹10000 at 11% per year for 2 years? (a) ₹3300 (b) ₹1100 (c) ₹2200 (d) ₹12200
3. 3.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 8% (b) 7% (c) 32% (d) 9%
4. 4.The simple interest on ₹8000 for 5 years is ₹4800. What is the rate per year? (a) 60% (b) 11% (c) 12% (d) 13%
5. 5.The simple interest on ₹8000 for 2 years is ₹1600. What is the rate per year? (a) 11% (b) 20% (c) 9% (d) 10%
6. 6.₹2500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹375 (b) ₹2875 (c) ₹2575 (d) ₹2950
7. 7.In how many years will ₹4000 earn ₹320 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
8. 8.What is the simple interest on ₹2500 at 10% per year for 4 years? (a) ₹1250 (b) ₹3500 (c) ₹250 (d) ₹1000
9. 9.What is the simple interest on ₹9500 at 6% per year for 3 years? (a) ₹1710 (b) ₹2280 (c) ₹570 (d) ₹11210
10. 10.In how many years will ₹6500 earn ₹3575 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
11. 11.₹3000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3270 (b) ₹4080 (c) ₹1080 (d) ₹4350
12. 12.What is the simple interest on ₹10000 at 3% per year for 4 years? (a) ₹1200 (b) ₹11200 (c) ₹300 (d) ₹1500
13. 13.In how many years will ₹2500 earn ₹1000 simple interest at 8% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
14. 14.₹6000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹8880 (b) ₹8160 (c) ₹6720 (d) ₹2160
15. 15.What is the simple interest on ₹1500 at 7% per year for 2 years? (a) ₹1710 (b) ₹315 (c) ₹105 (d) ₹210
16. 16.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
17. 17.The simple interest on ₹9500 for 3 years is ₹3420. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 36%
18. 18.What is the simple interest on ₹8000 at 5% per year for 5 years? (a) ₹2000 (b) ₹10000 (c) ₹400 (d) ₹2400
19. 19.The simple interest on ₹6000 for 5 years is ₹3000. What is the rate per year? (a) 50% (b) 9% (c) 11% (d) 10%
20. 20.₹3500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹4760 (b) ₹3920 (c) ₹840 (d) ₹4340
21. 21.₹10000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹10300 (b) ₹11500 (c) ₹11200 (d) ₹1200
22. 22.The simple interest on ₹4500 for 3 years is ₹1620. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 36%
23. 23.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹120 (b) ₹3480 (c) ₹480 (d) ₹600
24. 24.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹5200 (b) ₹100 (c) ₹200 (d) ₹300
25. 25.The simple interest on ₹10000 for 2 years is ₹400. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 1%
26. 26.In how many years will ₹6500 earn ₹780 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
27. 27.In how many years will ₹2500 earn ₹1375 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
28. 28.₹1500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1605 (b) ₹210 (c) ₹1815 (d) ₹1710
29. 29.The simple interest on ₹1000 for 5 years is ₹250. What is the rate per year? (a) 25% (b) 4% (c) 6% (d) 5%
30. 30.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 2% (b) 4% (c) 9% (d) 3%
31. 31.The simple interest on ₹3500 for 5 years is ₹700. What is the rate per year? (a) 4% (b) 20% (c) 5% (d) 3%
32. 32.₹6500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1040 (b) ₹6760 (c) ₹7800 (d) ₹7540
33. 33.In how many years will ₹7500 earn ₹600 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
34. 34.In how many years will ₹3500 earn ₹1400 simple interest at 8% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
35. 35.In how many years will ₹9000 earn ₹4320 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
36. 36.₹8500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹9095 (b) ₹9690 (c) ₹1190 (d) ₹10285
37. 37.In how many years will ₹5500 earn ₹495 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
38. 38.What is the simple interest on ₹6500 at 9% per year for 4 years? (a) ₹2925 (b) ₹8840 (c) ₹2340 (d) ₹585
39. 39.₹3500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹3745 (b) ₹4970 (c) ₹4725 (d) ₹1225
40. 40.In how many years will ₹2500 earn ₹600 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years

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