Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 492 · 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 ₹6500 at 8% per year for 3 years? (a) ₹520 (b) ₹2080 (c) ₹8060 (d) ₹1560
2. 2.₹8000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10880 (b) ₹8720 (c) ₹10160 (d) ₹2160
3. 3.What is the simple interest on ₹7500 at 3% per year for 4 years? (a) ₹225 (b) ₹1125 (c) ₹900 (d) ₹8400
4. 4.The simple interest on ₹1000 for 4 years is ₹200. What is the rate per year? (a) 6% (b) 20% (c) 5% (d) 4%
5. 5.₹9500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹10355 (b) ₹12065 (c) ₹11210 (d) ₹1710
6. 6.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹150 (b) ₹50 (c) ₹2600 (d) ₹100
7. 7.What is the simple interest on ₹1000 at 10% per year for 4 years? (a) ₹100 (b) ₹500 (c) ₹400 (d) ₹1400
8. 8.₹3000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹900 (b) ₹4200 (c) ₹3900 (d) ₹3300
9. 9.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 9% (b) 3% (c) 4% (d) 2%
10. 10.The simple interest on ₹4000 for 5 years is ₹2200. What is the rate per year? (a) 55% (b) 12% (c) 10% (d) 11%
11. 11.What is the simple interest on ₹7500 at 6% per year for 2 years? (a) ₹8400 (b) ₹1350 (c) ₹450 (d) ₹900
12. 12.What is the simple interest on ₹4500 at 4% per year for 2 years? (a) ₹540 (b) ₹180 (c) ₹360 (d) ₹4860
13. 13.In how many years will ₹9500 earn ₹4275 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
14. 14.In how many years will ₹1000 earn ₹60 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
15. 15.₹9000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹12600 (b) ₹2700 (c) ₹11700 (d) ₹9900
16. 16.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹1590 (b) ₹45 (c) ₹90 (d) ₹135
17. 17.What is the simple interest on ₹4000 at 6% per year for 2 years? (a) ₹240 (b) ₹480 (c) ₹720 (d) ₹4480
18. 18.The simple interest on ₹4500 for 2 years is ₹900. What is the rate per year? (a) 11% (b) 20% (c) 10% (d) 9%
19. 19.The simple interest on ₹2500 for 2 years is ₹500. What is the rate per year? (a) 9% (b) 10% (c) 20% (d) 11%
20. 20.The simple interest on ₹1500 for 4 years is ₹420. What is the rate per year? (a) 8% (b) 28% (c) 6% (d) 7%
21. 21.What is the simple interest on ₹6000 at 6% per year for 5 years? (a) ₹1800 (b) ₹7800 (c) ₹2160 (d) ₹360
22. 22.The simple interest on ₹2000 for 5 years is ₹1100. What is the rate per year? (a) 10% (b) 55% (c) 12% (d) 11%
23. 23.The simple interest on ₹8500 for 5 years is ₹2125. What is the rate per year? (a) 25% (b) 6% (c) 5% (d) 4%
24. 24.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1270 (b) ₹270 (c) ₹1090 (d) ₹1360
25. 25.In how many years will ₹8000 earn ₹1280 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
26. 26.What is the simple interest on ₹5000 at 10% per year for 5 years? (a) ₹7500 (b) ₹500 (c) ₹3000 (d) ₹2500
27. 27.What is the simple interest on ₹9000 at 10% per year for 3 years? (a) ₹2700 (b) ₹11700 (c) ₹900 (d) ₹3600
28. 28.What is the simple interest on ₹6500 at 11% per year for 3 years? (a) ₹2860 (b) ₹715 (c) ₹2145 (d) ₹8645
29. 29.₹9500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹12540 (b) ₹13300 (c) ₹3040 (d) ₹10260
30. 30.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹360 (b) ₹4770 (c) ₹90 (d) ₹270
31. 31.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹525 (b) ₹2850 (c) ₹175 (d) ₹350
32. 32.In how many years will ₹2500 earn ₹450 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
33. 33.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
34. 34.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 2% (b) 3% (c) 15% (d) 4%
35. 35.What is the simple interest on ₹6500 at 4% per year for 2 years? (a) ₹520 (b) ₹780 (c) ₹7020 (d) ₹260
36. 36.₹3000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹3540 (b) ₹3720 (c) ₹3180 (d) ₹540
37. 37.In how many years will ₹4500 earn ₹360 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
38. 38.What is the simple interest on ₹4000 at 4% per year for 5 years? (a) ₹160 (b) ₹800 (c) ₹960 (d) ₹4800
39. 39.The simple interest on ₹5000 for 3 years is ₹1050. What is the rate per year? (a) 21% (b) 8% (c) 7% (d) 6%
40. 40.The simple interest on ₹7000 for 4 years is ₹2240. What is the rate per year? (a) 7% (b) 9% (c) 32% (d) 8%

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