Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 498 · 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 ₹8000 at 10% per year for 2 years? (a) ₹2400 (b) ₹800 (c) ₹9600 (d) ₹1600
2. 2.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 5% (b) 4% (c) 8% (d) 3%
3. 3.₹5000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6800 (b) ₹1200 (c) ₹5600 (d) ₹6200
4. 4.The simple interest on ₹1000 for 4 years is ₹320. What is the rate per year? (a) 9% (b) 32% (c) 8% (d) 7%
5. 5.In how many years will ₹3000 earn ₹480 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
6. 6.What is the simple interest on ₹2500 at 10% per year for 2 years? (a) ₹250 (b) ₹500 (c) ₹750 (d) ₹3000
7. 7.₹6500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹8320 (b) ₹6955 (c) ₹1365 (d) ₹7865
8. 8.₹6000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹6360 (c) ₹7440 (d) ₹7080
9. 9.What is the simple interest on ₹5500 at 11% per year for 5 years? (a) ₹3630 (b) ₹605 (c) ₹3025 (d) ₹8525
10. 10.What is the simple interest on ₹8000 at 7% per year for 2 years? (a) ₹560 (b) ₹1680 (c) ₹1120 (d) ₹9120
11. 11.In how many years will ₹10000 earn ₹600 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
12. 12.The simple interest on ₹7000 for 5 years is ₹4200. What is the rate per year? (a) 60% (b) 12% (c) 13% (d) 11%
13. 13.The simple interest on ₹4000 for 4 years is ₹640. What is the rate per year? (a) 16% (b) 3% (c) 5% (d) 4%
14. 14.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 20% (b) 6% (c) 5% (d) 4%
15. 15.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹210 (b) ₹630 (c) ₹420 (d) ₹3920
16. 16.What is the simple interest on ₹8000 at 7% per year for 5 years? (a) ₹3360 (b) ₹2800 (c) ₹560 (d) ₹10800
17. 17.In how many years will ₹3500 earn ₹945 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
18. 18.The simple interest on ₹2000 for 5 years is ₹1200. What is the rate per year? (a) 13% (b) 11% (c) 60% (d) 12%
19. 19.The simple interest on ₹8500 for 2 years is ₹1530. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
20. 20.What is the simple interest on ₹4000 at 4% per year for 4 years? (a) ₹800 (b) ₹4640 (c) ₹640 (d) ₹160
21. 21.In how many years will ₹10000 earn ₹4000 simple interest at 10% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
22. 22.₹3000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹600 (b) ₹3300 (c) ₹3600 (d) ₹3900
23. 23.What is the simple interest on ₹8000 at 11% per year for 3 years? (a) ₹880 (b) ₹10640 (c) ₹2640 (d) ₹3520
24. 24.₹1500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹1800 (c) ₹1650 (d) ₹1950
25. 25.What is the simple interest on ₹9000 at 4% per year for 2 years? (a) ₹720 (b) ₹360 (c) ₹9720 (d) ₹1080
26. 26.₹4000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹4360 (b) ₹1800 (c) ₹5800 (d) ₹6160
27. 27.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
28. 28.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3240 (b) ₹3120 (c) ₹240 (d) ₹3360
29. 29.₹6000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹540 (b) ₹6720 (c) ₹6540 (d) ₹6180
30. 30.₹5500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1155 (b) ₹7040 (c) ₹6655 (d) ₹5885
31. 31.In how many years will ₹9000 earn ₹4050 simple interest at 9% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
32. 32.In how many years will ₹3000 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
33. 33.In how many years will ₹3500 earn ₹840 simple interest at 6% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
34. 34.The simple interest on ₹7000 for 2 years is ₹1260. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
35. 35.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
36. 36.What is the simple interest on ₹7500 at 7% per year for 5 years? (a) ₹2625 (b) ₹3150 (c) ₹525 (d) ₹10125
37. 37.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹45 (b) ₹135 (c) ₹180 (d) ₹1635
38. 38.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
39. 39.What is the simple interest on ₹3500 at 5% per year for 5 years? (a) ₹175 (b) ₹4375 (c) ₹1050 (d) ₹875
40. 40.In how many years will ₹6500 earn ₹2340 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years

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