Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 795 · 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 ₹5000 for 5 years is ₹2500. What is the rate per year? (a) 9% (b) 11% (c) 50% (d) 10%
2. 2.The simple interest on ₹4500 for 3 years is ₹1080. What is the rate per year? (a) 24% (b) 9% (c) 8% (d) 7%
3. 3.In how many years will ₹10000 earn ₹2000 simple interest at 4% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
4. 4.The simple interest on ₹2500 for 2 years is ₹400. What is the rate per year? (a) 9% (b) 16% (c) 7% (d) 8%
5. 5.What is the simple interest on ₹8000 at 10% per year for 3 years? (a) ₹2400 (b) ₹3200 (c) ₹10400 (d) ₹800
6. 6.In how many years will ₹6500 earn ₹2340 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
7. 7.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹4680 (b) ₹270 (c) ₹180 (d) ₹90
8. 8.₹4500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹4905 (b) ₹810 (c) ₹5715 (d) ₹5310
9. 9.The simple interest on ₹5000 for 5 years is ₹1500. What is the rate per year? (a) 30% (b) 5% (c) 6% (d) 7%
10. 10.In how many years will ₹9000 earn ₹1080 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
11. 11.What is the simple interest on ₹8500 at 10% per year for 5 years? (a) ₹12750 (b) ₹850 (c) ₹5100 (d) ₹4250
12. 12.What is the simple interest on ₹1500 at 12% per year for 4 years? (a) ₹180 (b) ₹720 (c) ₹2220 (d) ₹900
13. 13.The simple interest on ₹6000 for 2 years is ₹480. What is the rate per year? (a) 5% (b) 4% (c) 8% (d) 3%
14. 14.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
15. 15.In how many years will ₹9000 earn ₹360 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
16. 16.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹2120 (b) ₹180 (c) ₹120 (d) ₹60
17. 17.₹1500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1545 (b) ₹225 (c) ₹1725 (d) ₹1770
18. 18.What is the simple interest on ₹4500 at 7% per year for 5 years? (a) ₹1575 (b) ₹315 (c) ₹6075 (d) ₹1890
19. 19.What is the simple interest on ₹9500 at 11% per year for 5 years? (a) ₹5225 (b) ₹1045 (c) ₹6270 (d) ₹14725
20. 20.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹7150 (b) ₹325 (c) ₹650 (d) ₹975
21. 21.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
22. 22.The simple interest on ₹7000 for 5 years is ₹3500. What is the rate per year? (a) 11% (b) 50% (c) 9% (d) 10%
23. 23.₹9500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹13300 (b) ₹12540 (c) ₹3040 (d) ₹10260
24. 24.What is the simple interest on ₹5000 at 8% per year for 2 years? (a) ₹1200 (b) ₹400 (c) ₹5800 (d) ₹800
25. 25.The simple interest on ₹10000 for 3 years is ₹2700. What is the rate per year? (a) 10% (b) 9% (c) 27% (d) 8%
26. 26.₹2000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹700 (b) ₹2840 (c) ₹2700 (d) ₹2140
27. 27.What is the simple interest on ₹2000 at 6% per year for 3 years? (a) ₹2360 (b) ₹360 (c) ₹120 (d) ₹480
28. 28.In how many years will ₹6500 earn ₹780 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
29. 29.The simple interest on ₹10000 for 4 years is ₹2400. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 24%
30. 30.What is the simple interest on ₹2000 at 5% per year for 4 years? (a) ₹2400 (b) ₹500 (c) ₹400 (d) ₹100
31. 31.In how many years will ₹10000 earn ₹800 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
32. 32.The simple interest on ₹10000 for 3 years is ₹1800. What is the rate per year? (a) 6% (b) 7% (c) 18% (d) 5%
33. 33.What is the simple interest on ₹1000 at 7% per year for 5 years? (a) ₹70 (b) ₹420 (c) ₹1350 (d) ₹350
34. 34.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹11400 (b) ₹2375 (c) ₹1900 (d) ₹475
35. 35.What is the simple interest on ₹8500 at 7% per year for 4 years? (a) ₹10880 (b) ₹2380 (c) ₹2975 (d) ₹595
36. 36.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹175 (b) ₹875 (c) ₹700 (d) ₹3200
37. 37.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 6%
38. 38.The simple interest on ₹5000 for 5 years is ₹500. What is the rate per year? (a) 2% (b) 10% (c) 3% (d) 1%
39. 39.What is the simple interest on ₹3000 at 2% per year for 2 years? (a) ₹3120 (b) ₹120 (c) ₹180 (d) ₹60
40. 40.What is the simple interest on ₹9500 at 10% per year for 2 years? (a) ₹950 (b) ₹11400 (c) ₹1900 (d) ₹2850

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