Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 484 · 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.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8720 (b) ₹8240 (c) ₹8480 (d) ₹480
2. 2.The simple interest on ₹3000 for 3 years is ₹1080. What is the rate per year? (a) 12% (b) 36% (c) 11% (d) 13%
3. 3.₹8000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹8880 (b) ₹11520 (c) ₹12400 (d) ₹3520
4. 4.The simple interest on ₹1500 for 5 years is ₹375. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 25%
5. 5.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹700 (b) ₹140 (c) ₹560 (d) ₹4060
6. 6.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
7. 7.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹600 (b) ₹2500 (c) ₹500 (d) ₹100
8. 8.₹4500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4590 (b) ₹4770 (c) ₹180 (d) ₹4680
9. 9.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹600 (b) ₹3600 (c) ₹720 (d) ₹120
10. 10.What is the simple interest on ₹1500 at 9% per year for 5 years? (a) ₹135 (b) ₹675 (c) ₹2175 (d) ₹810
11. 11.₹3500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹980 (b) ₹3745 (c) ₹4725 (d) ₹4480
12. 12.In how many years will ₹2500 earn ₹750 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
13. 13.₹5500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6490 (b) ₹5830 (c) ₹6820 (d) ₹990
14. 14.What is the simple interest on ₹10000 at 7% per year for 4 years? (a) ₹12800 (b) ₹700 (c) ₹2800 (d) ₹3500
15. 15.The simple interest on ₹2000 for 4 years is ₹320. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 16%
16. 16.What is the simple interest on ₹8000 at 2% per year for 4 years? (a) ₹640 (b) ₹160 (c) ₹800 (d) ₹8640
17. 17.What is the simple interest on ₹2000 at 11% per year for 4 years? (a) ₹2880 (b) ₹1100 (c) ₹220 (d) ₹880
18. 18.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹360 (b) ₹120 (c) ₹3360 (d) ₹480
19. 19.What is the simple interest on ₹3000 at 6% per year for 5 years? (a) ₹180 (b) ₹3900 (c) ₹1080 (d) ₹900
20. 20.In how many years will ₹1000 earn ₹250 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
21. 21.What is the simple interest on ₹6000 at 12% per year for 3 years? (a) ₹720 (b) ₹2160 (c) ₹8160 (d) ₹2880
22. 22.In how many years will ₹6500 earn ₹520 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
23. 23.What is the simple interest on ₹9500 at 2% per year for 3 years? (a) ₹570 (b) ₹190 (c) ₹10070 (d) ₹760
24. 24.In how many years will ₹2000 earn ₹500 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
25. 25.In how many years will ₹2500 earn ₹550 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
26. 26.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹175 (b) ₹3850 (c) ₹350 (d) ₹525
27. 27.What is the simple interest on ₹2500 at 11% per year for 3 years? (a) ₹3325 (b) ₹825 (c) ₹275 (d) ₹1100
28. 28.In how many years will ₹6500 earn ₹1300 simple interest at 5% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
29. 29.In how many years will ₹1000 earn ₹210 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
30. 30.The simple interest on ₹4500 for 2 years is ₹540. What is the rate per year? (a) 5% (b) 6% (c) 12% (d) 7%
31. 31.₹7000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7560 (b) ₹1120 (c) ₹8680 (d) ₹8120
32. 32.The simple interest on ₹7500 for 3 years is ₹2025. What is the rate per year? (a) 27% (b) 8% (c) 10% (d) 9%
33. 33.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹9280 (b) ₹8960 (c) ₹8320 (d) ₹960
34. 34.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
35. 35.In how many years will ₹7000 earn ₹1260 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
36. 36.The simple interest on ₹4000 for 2 years is ₹960. What is the rate per year? (a) 24% (b) 12% (c) 11% (d) 13%
37. 37.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3480 (b) ₹480 (c) ₹3240 (d) ₹3720
38. 38.In how many years will ₹1000 earn ₹360 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
39. 39.₹4000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹4960 (b) ₹960 (c) ₹5280 (d) ₹4320
40. 40.What is the simple interest on ₹3500 at 6% per year for 5 years? (a) ₹1050 (b) ₹4550 (c) ₹1260 (d) ₹210

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