Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 331 · 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 ₹6000 at 5% per year for 2 years? (a) ₹900 (b) ₹6600 (c) ₹600 (d) ₹300
2. 2.What is the simple interest on ₹3500 at 7% per year for 3 years? (a) ₹245 (b) ₹4235 (c) ₹980 (d) ₹735
3. 3.In how many years will ₹8000 earn ₹720 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
4. 4.In how many years will ₹9500 earn ₹3800 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
5. 5.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 4% (b) 15% (c) 3% (d) 2%
6. 6.In how many years will ₹1500 earn ₹450 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
7. 7.In how many years will ₹5000 earn ₹1200 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
8. 8.In how many years will ₹1000 earn ₹140 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
9. 9.The simple interest on ₹3500 for 3 years is ₹210. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 6%
10. 10.₹4000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹800 (b) ₹4160 (c) ₹4800 (d) ₹4960
11. 11.What is the simple interest on ₹3500 at 2% per year for 4 years? (a) ₹70 (b) ₹350 (c) ₹3780 (d) ₹280
12. 12.What is the simple interest on ₹4500 at 7% per year for 4 years? (a) ₹5760 (b) ₹1575 (c) ₹1260 (d) ₹315
13. 13.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹420 (b) ₹1680 (c) ₹1260 (d) ₹8260
14. 14.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
15. 15.In how many years will ₹5000 earn ₹200 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
16. 16.In how many years will ₹2500 earn ₹400 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
17. 17.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹600 (b) ₹500 (c) ₹3000 (d) ₹100
18. 18.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
19. 19.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 4%
20. 20.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹8250 (b) ₹150 (c) ₹900 (d) ₹750
21. 21.In how many years will ₹1000 earn ₹270 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
22. 22.In how many years will ₹3500 earn ₹1120 simple interest at 8% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
23. 23.What is the simple interest on ₹2500 at 9% per year for 4 years? (a) ₹900 (b) ₹3400 (c) ₹225 (d) ₹1125
24. 24.The simple interest on ₹10000 for 5 years is ₹2500. What is the rate per year? (a) 5% (b) 25% (c) 6% (d) 4%
25. 25.The simple interest on ₹4500 for 5 years is ₹2250. What is the rate per year? (a) 50% (b) 9% (c) 10% (d) 11%
26. 26.₹7500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8625 (b) ₹1125 (c) ₹7725 (d) ₹8850
27. 27.What is the simple interest on ₹1500 at 12% per year for 4 years? (a) ₹2220 (b) ₹180 (c) ₹720 (d) ₹900
28. 28.What is the simple interest on ₹1000 at 11% per year for 2 years? (a) ₹220 (b) ₹330 (c) ₹1220 (d) ₹110
29. 29.What is the simple interest on ₹5000 at 9% per year for 3 years? (a) ₹1800 (b) ₹1350 (c) ₹6350 (d) ₹450
30. 30.What is the simple interest on ₹9000 at 12% per year for 5 years? (a) ₹14400 (b) ₹5400 (c) ₹6480 (d) ₹1080
31. 31.In how many years will ₹3500 earn ₹1400 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
32. 32.₹7000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7630 (b) ₹7210 (c) ₹7420 (d) ₹420
33. 33.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹440 (b) ₹660 (c) ₹5940 (d) ₹220
34. 34.₹3000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹360 (b) ₹3450 (c) ₹3090 (d) ₹3360
35. 35.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹550 (b) ₹5775 (c) ₹6325 (d) ₹6050
36. 36.The simple interest on ₹3000 for 2 years is ₹540. What is the rate per year? (a) 18% (b) 8% (c) 10% (d) 9%
37. 37.In how many years will ₹5500 earn ₹1650 simple interest at 6% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
38. 38.In how many years will ₹9500 earn ₹1995 simple interest at 7% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
39. 39.The simple interest on ₹6500 for 3 years is ₹2340. What is the rate per year? (a) 13% (b) 36% (c) 11% (d) 12%
40. 40.In how many years will ₹5500 earn ₹3025 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years

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