Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 885 · 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.₹3500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹350 (b) ₹3920 (c) ₹3570 (d) ₹3850
2. 2.What is the simple interest on ₹3500 at 12% per year for 4 years? (a) ₹420 (b) ₹1680 (c) ₹5180 (d) ₹2100
3. 3.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹90 (b) ₹360 (c) ₹270 (d) ₹4770
4. 4.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
5. 5.₹7000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7840 (b) ₹8260 (c) ₹7420 (d) ₹840
6. 6.The simple interest on ₹6000 for 3 years is ₹1260. What is the rate per year? (a) 7% (b) 21% (c) 8% (d) 6%
7. 7.The simple interest on ₹6500 for 3 years is ₹1365. What is the rate per year? (a) 21% (b) 7% (c) 8% (d) 6%
8. 8.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8480 (b) ₹8240 (c) ₹480 (d) ₹8720
9. 9.What is the simple interest on ₹5000 at 9% per year for 5 years? (a) ₹7250 (b) ₹2700 (c) ₹450 (d) ₹2250
10. 10.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹11900 (b) ₹4080 (c) ₹3400 (d) ₹680
11. 11.₹7500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹10875 (b) ₹3375 (c) ₹8175 (d) ₹11550
12. 12.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹3150 (c) ₹3450 (d) ₹3300
13. 13.₹3500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹700 (b) ₹4200 (c) ₹4550 (d) ₹3850
14. 14.In how many years will ₹6000 earn ₹540 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
15. 15.What is the simple interest on ₹6500 at 4% per year for 4 years? (a) ₹7540 (b) ₹260 (c) ₹1300 (d) ₹1040
16. 16.In how many years will ₹2000 earn ₹720 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
17. 17.In how many years will ₹6500 earn ₹910 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
18. 18.What is the simple interest on ₹5000 at 5% per year for 4 years? (a) ₹6000 (b) ₹1250 (c) ₹1000 (d) ₹250
19. 19.The simple interest on ₹9500 for 2 years is ₹1140. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
20. 20.In how many years will ₹8000 earn ₹3520 simple interest at 11% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
21. 21.The simple interest on ₹5000 for 3 years is ₹1350. What is the rate per year? (a) 10% (b) 27% (c) 8% (d) 9%
22. 22.₹1500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹1860 (c) ₹1770 (d) ₹1590
23. 23.In how many years will ₹2000 earn ₹200 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
24. 24.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹7770 (b) ₹3080 (c) ₹10080 (d) ₹10850
25. 25.The simple interest on ₹9000 for 5 years is ₹1350. What is the rate per year? (a) 4% (b) 15% (c) 2% (d) 3%
26. 26.The simple interest on ₹8000 for 4 years is ₹1600. What is the rate per year? (a) 6% (b) 20% (c) 5% (d) 4%
27. 27.In how many years will ₹4500 earn ₹180 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
28. 28.What is the simple interest on ₹7500 at 9% per year for 3 years? (a) ₹9525 (b) ₹2700 (c) ₹675 (d) ₹2025
29. 29.What is the simple interest on ₹9000 at 7% per year for 2 years? (a) ₹630 (b) ₹1890 (c) ₹1260 (d) ₹10260
30. 30.What is the simple interest on ₹3500 at 11% per year for 2 years? (a) ₹1155 (b) ₹770 (c) ₹385 (d) ₹4270
31. 31.₹9000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹9810 (b) ₹4050 (c) ₹13860 (d) ₹13050
32. 32.₹8500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹10200 (b) ₹9860 (c) ₹1360 (d) ₹8840
33. 33.₹7500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹600 (b) ₹7650 (c) ₹8250 (d) ₹8100
34. 34.The simple interest on ₹9500 for 3 years is ₹855. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 9%
35. 35.What is the simple interest on ₹1000 at 7% per year for 4 years? (a) ₹350 (b) ₹70 (c) ₹280 (d) ₹1280
36. 36.₹4500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹4905 (b) ₹6930 (c) ₹2025 (d) ₹6525
37. 37.The simple interest on ₹1500 for 3 years is ₹540. What is the rate per year? (a) 12% (b) 36% (c) 13% (d) 11%
38. 38.In how many years will ₹3500 earn ₹875 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
39. 39.What is the simple interest on ₹4500 at 11% per year for 4 years? (a) ₹495 (b) ₹1980 (c) ₹2475 (d) ₹6480
40. 40.In how many years will ₹5000 earn ₹1250 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years

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