Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 389 · 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 ₹5500 at 2% per year for 2 years? (a) ₹220 (b) ₹110 (c) ₹5720 (d) ₹330
2. 2.₹1000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1550 (b) ₹1110 (c) ₹1440 (d) ₹440
3. 3.The simple interest on ₹8000 for 4 years is ₹2240. What is the rate per year? (a) 6% (b) 8% (c) 28% (d) 7%
4. 4.What is the simple interest on ₹7500 at 9% per year for 4 years? (a) ₹675 (b) ₹10200 (c) ₹3375 (d) ₹2700
5. 5.The simple interest on ₹3500 for 4 years is ₹840. What is the rate per year? (a) 24% (b) 6% (c) 7% (d) 5%
6. 6.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 8% (b) 4% (c) 5% (d) 3%
7. 7.In how many years will ₹5500 earn ₹1485 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
8. 8.The simple interest on ₹2500 for 5 years is ₹250. What is the rate per year? (a) 10% (b) 2% (c) 1% (d) 3%
9. 9.The simple interest on ₹6000 for 2 years is ₹1320. What is the rate per year? (a) 12% (b) 22% (c) 10% (d) 11%
10. 10.What is the simple interest on ₹8000 at 3% per year for 3 years? (a) ₹720 (b) ₹8720 (c) ₹240 (d) ₹960
11. 11.The simple interest on ₹8500 for 5 years is ₹4250. What is the rate per year? (a) 10% (b) 50% (c) 9% (d) 11%
12. 12.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹400 (b) ₹4400 (c) ₹200 (d) ₹600
13. 13.The simple interest on ₹6000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 3% (c) 8% (d) 5%
14. 14.₹9000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹9720 (b) ₹3600 (c) ₹12600 (d) ₹13320
15. 15.The simple interest on ₹8500 for 3 years is ₹510. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 1%
16. 16.The simple interest on ₹4000 for 3 years is ₹1320. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 33%
17. 17.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹700 (b) ₹2100 (c) ₹9100 (d) ₹2800
18. 18.₹1500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2040 (b) ₹1860 (c) ₹1680 (d) ₹360
19. 19.In how many years will ₹6500 earn ₹3900 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
20. 20.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹5610 (b) ₹6050 (c) ₹550 (d) ₹6160
21. 21.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹225 (b) ₹1125 (c) ₹1350 (d) ₹3625
22. 22.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹225 (b) ₹8175 (c) ₹900 (d) ₹675
23. 23.In how many years will ₹7000 earn ₹1960 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
24. 24.₹4000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹5120 (c) ₹5400 (d) ₹4280
25. 25.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 4%
26. 26.₹3000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3900 (b) ₹720 (c) ₹3180 (d) ₹3720
27. 27.What is the simple interest on ₹3500 at 12% per year for 5 years? (a) ₹2100 (b) ₹5600 (c) ₹2520 (d) ₹420
28. 28.₹9500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9880 (b) ₹9690 (c) ₹10070 (d) ₹380
29. 29.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 36%
30. 30.The simple interest on ₹9500 for 3 years is ₹855. What is the rate per year? (a) 4% (b) 2% (c) 9% (d) 3%
31. 31.₹9000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9540 (b) ₹9180 (c) ₹360 (d) ₹9360
32. 32.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
33. 33.What is the simple interest on ₹10000 at 11% per year for 3 years? (a) ₹3300 (b) ₹4400 (c) ₹1100 (d) ₹13300
34. 34.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹6490 (b) ₹990 (c) ₹1320 (d) ₹330
35. 35.In how many years will ₹6500 earn ₹1950 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
36. 36.₹7000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹9450 (b) ₹2450 (c) ₹7490 (d) ₹9940
37. 37.The simple interest on ₹9000 for 4 years is ₹3240. What is the rate per year? (a) 8% (b) 36% (c) 10% (d) 9%
38. 38.In how many years will ₹9000 earn ₹900 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
39. 39.What is the simple interest on ₹9000 at 8% per year for 4 years? (a) ₹11880 (b) ₹3600 (c) ₹2880 (d) ₹720
40. 40.The simple interest on ₹5000 for 5 years is ₹1250. What is the rate per year? (a) 25% (b) 5% (c) 6% (d) 4%

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