Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 55 · 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 ₹1000 at 2% per year for 5 years? (a) ₹20 (b) ₹120 (c) ₹100 (d) ₹1100
2. 2.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹120 (b) ₹240 (c) ₹3240 (d) ₹360
3. 3.What is the simple interest on ₹9500 at 10% per year for 2 years? (a) ₹1900 (b) ₹2850 (c) ₹950 (d) ₹11400
4. 4.What is the simple interest on ₹8000 at 2% per year for 3 years? (a) ₹160 (b) ₹640 (c) ₹480 (d) ₹8480
5. 5.What is the simple interest on ₹7000 at 11% per year for 2 years? (a) ₹1540 (b) ₹2310 (c) ₹770 (d) ₹8540
6. 6.₹3000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4980 (b) ₹4650 (c) ₹3330 (d) ₹1650
7. 7.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 4% (b) 3% (c) 1% (d) 2%
8. 8.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹120 (b) ₹600 (c) ₹3600 (d) ₹720
9. 9.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹50 (b) ₹250 (c) ₹300 (d) ₹2750
10. 10.The simple interest on ₹9000 for 2 years is ₹2160. What is the rate per year? (a) 13% (b) 24% (c) 11% (d) 12%
11. 11.The simple interest on ₹4000 for 4 years is ₹960. What is the rate per year? (a) 24% (b) 7% (c) 6% (d) 5%
12. 12.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 9% (b) 27% (c) 8% (d) 10%
13. 13.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 6% (b) 3% (c) 1% (d) 2%
14. 14.The simple interest on ₹2500 for 3 years is ₹300. What is the rate per year? (a) 3% (b) 12% (c) 4% (d) 5%
15. 15.What is the simple interest on ₹4000 at 8% per year for 2 years? (a) ₹320 (b) ₹960 (c) ₹640 (d) ₹4640
16. 16.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹480 (b) ₹320 (c) ₹160 (d) ₹8320
17. 17.What is the simple interest on ₹9500 at 4% per year for 3 years? (a) ₹380 (b) ₹1520 (c) ₹10640 (d) ₹1140
18. 18.₹7500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3300 (b) ₹10800 (c) ₹8325 (d) ₹11625
19. 19.What is the simple interest on ₹10000 at 10% per year for 4 years? (a) ₹14000 (b) ₹4000 (c) ₹5000 (d) ₹1000
20. 20.What is the simple interest on ₹4000 at 11% per year for 5 years? (a) ₹2640 (b) ₹440 (c) ₹2200 (d) ₹6200
21. 21.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹450 (b) ₹600 (c) ₹150 (d) ₹3450
22. 22.The simple interest on ₹1000 for 4 years is ₹360. What is the rate per year? (a) 10% (b) 36% (c) 8% (d) 9%
23. 23.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹340 (b) ₹9180 (c) ₹680 (d) ₹1020
24. 24.The simple interest on ₹8000 for 5 years is ₹4000. What is the rate per year? (a) 9% (b) 50% (c) 11% (d) 10%
25. 25.₹8000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹9440 (b) ₹9200 (c) ₹8240 (d) ₹1200
26. 26.In how many years will ₹10000 earn ₹4800 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
27. 27.What is the simple interest on ₹1000 at 7% per year for 5 years? (a) ₹350 (b) ₹70 (c) ₹1350 (d) ₹420
28. 28.The simple interest on ₹4500 for 4 years is ₹720. What is the rate per year? (a) 16% (b) 4% (c) 5% (d) 3%
29. 29.What is the simple interest on ₹7500 at 7% per year for 5 years? (a) ₹525 (b) ₹2625 (c) ₹10125 (d) ₹3150
30. 30.₹8000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1680 (b) ₹9680 (c) ₹10240 (d) ₹8560
31. 31.The simple interest on ₹2500 for 4 years is ₹500. What is the rate per year? (a) 20% (b) 6% (c) 5% (d) 4%
32. 32.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹4440 (b) ₹4080 (c) ₹3360 (d) ₹1080
33. 33.What is the simple interest on ₹6000 at 6% per year for 5 years? (a) ₹7800 (b) ₹2160 (c) ₹360 (d) ₹1800
34. 34.In how many years will ₹1000 earn ₹240 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
35. 35.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 48%
36. 36.The simple interest on ₹6000 for 4 years is ₹2160. What is the rate per year? (a) 9% (b) 36% (c) 10% (d) 8%
37. 37.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 8% (b) 18% (c) 9% (d) 10%
38. 38.In how many years will ₹9500 earn ₹950 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
39. 39.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹1000 (b) ₹3500 (c) ₹1200 (d) ₹200
40. 40.What is the simple interest on ₹1500 at 2% per year for 4 years? (a) ₹30 (b) ₹150 (c) ₹120 (d) ₹1620

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