Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 298 · 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.The simple interest on ₹6000 for 4 years is ₹960. What is the rate per year? (a) 3% (b) 4% (c) 16% (d) 5%
2. 2.The simple interest on ₹7000 for 4 years is ₹840. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 12%
3. 3.In how many years will ₹3500 earn ₹735 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
4. 4.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹4060 (c) ₹3780 (d) ₹4340
5. 5.In how many years will ₹6000 earn ₹960 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
6. 6.₹7000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹9800 (b) ₹7700 (c) ₹2800 (d) ₹10500
7. 7.What is the simple interest on ₹10000 at 3% per year for 4 years? (a) ₹300 (b) ₹1200 (c) ₹1500 (d) ₹11200
8. 8.₹2500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2650 (b) ₹3250 (c) ₹750 (d) ₹3400
9. 9.The simple interest on ₹1000 for 3 years is ₹240. What is the rate per year? (a) 24% (b) 7% (c) 8% (d) 9%
10. 10.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 9% (b) 32% (c) 8% (d) 7%
11. 11.What is the simple interest on ₹5000 at 5% per year for 2 years? (a) ₹5500 (b) ₹500 (c) ₹250 (d) ₹750
12. 12.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹70 (b) ₹280 (c) ₹3710 (d) ₹210
13. 13.The simple interest on ₹6500 for 4 years is ₹2340. What is the rate per year? (a) 10% (b) 36% (c) 8% (d) 9%
14. 14.What is the simple interest on ₹5000 at 6% per year for 5 years? (a) ₹1800 (b) ₹1500 (c) ₹300 (d) ₹6500
15. 15.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹3150 (c) ₹3450 (d) ₹3300
16. 16.₹3500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3780 (b) ₹4620 (c) ₹4900 (d) ₹1120
17. 17.What is the simple interest on ₹10000 at 10% per year for 5 years? (a) ₹6000 (b) ₹1000 (c) ₹15000 (d) ₹5000
18. 18.In how many years will ₹4500 earn ₹1620 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
19. 19.₹2500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹100 (b) ₹2650 (c) ₹2550 (d) ₹2600
20. 20.The simple interest on ₹3000 for 4 years is ₹480. What is the rate per year? (a) 5% (b) 3% (c) 16% (d) 4%
21. 21.What is the simple interest on ₹1000 at 9% per year for 5 years? (a) ₹450 (b) ₹1450 (c) ₹540 (d) ₹90
22. 22.The simple interest on ₹3500 for 4 years is ₹980. What is the rate per year? (a) 28% (b) 8% (c) 6% (d) 7%
23. 23.What is the simple interest on ₹4000 at 2% per year for 2 years? (a) ₹240 (b) ₹4160 (c) ₹80 (d) ₹160
24. 24.₹8500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹9265 (b) ₹3825 (c) ₹13090 (d) ₹12325
25. 25.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹225 (b) ₹2650 (c) ₹75 (d) ₹150
26. 26.What is the simple interest on ₹4500 at 9% per year for 5 years? (a) ₹6525 (b) ₹2025 (c) ₹2430 (d) ₹405
27. 27.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹240 (b) ₹1740 (c) ₹360 (d) ₹120
28. 28.The simple interest on ₹8000 for 4 years is ₹640. What is the rate per year? (a) 2% (b) 8% (c) 3% (d) 1%
29. 29.What is the simple interest on ₹3000 at 10% per year for 2 years? (a) ₹300 (b) ₹600 (c) ₹3600 (d) ₹900
30. 30.What is the simple interest on ₹2500 at 10% per year for 4 years? (a) ₹250 (b) ₹1250 (c) ₹3500 (d) ₹1000
31. 31.What is the simple interest on ₹2000 at 12% per year for 2 years? (a) ₹480 (b) ₹240 (c) ₹720 (d) ₹2480
32. 32.The simple interest on ₹6000 for 4 years is ₹2160. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 36%
33. 33.₹1500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹1590 (c) ₹1770 (d) ₹1860
34. 34.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹6180 (b) ₹6720 (c) ₹720 (d) ₹6900
35. 35.₹3500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹5180 (b) ₹3920 (c) ₹1260 (d) ₹4760
36. 36.What is the simple interest on ₹4500 at 12% per year for 5 years? (a) ₹3240 (b) ₹2700 (c) ₹540 (d) ₹7200
37. 37.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹4900 (b) ₹1680 (c) ₹1400 (d) ₹280
38. 38.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹2340 (b) ₹780 (c) ₹8840 (d) ₹3120
39. 39.₹8500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9010 (b) ₹8840 (c) ₹8670 (d) ₹340
40. 40.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 6% (b) 3% (c) 1% (d) 2%

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