Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 279 · 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 ₹7500 for 2 years is ₹1200. What is the rate per year? (a) 9% (b) 16% (c) 7% (d) 8%
2. 2.What is the simple interest on ₹1000 at 9% per year for 3 years? (a) ₹360 (b) ₹270 (c) ₹1270 (d) ₹90
3. 3.In how many years will ₹3000 earn ₹360 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
4. 4.The simple interest on ₹7500 for 4 years is ₹1800. What is the rate per year? (a) 24% (b) 5% (c) 7% (d) 6%
5. 5.What is the simple interest on ₹1000 at 8% per year for 3 years? (a) ₹80 (b) ₹240 (c) ₹1240 (d) ₹320
6. 6.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
7. 7.What is the simple interest on ₹4500 at 8% per year for 5 years? (a) ₹6300 (b) ₹2160 (c) ₹360 (d) ₹1800
8. 8.What is the simple interest on ₹4500 at 5% per year for 5 years? (a) ₹5625 (b) ₹1350 (c) ₹1125 (d) ₹225
9. 9.The simple interest on ₹3000 for 2 years is ₹660. What is the rate per year? (a) 22% (b) 12% (c) 11% (d) 10%
10. 10.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹240 (b) ₹60 (c) ₹300 (d) ₹3240
11. 11.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹1260 (b) ₹1680 (c) ₹8260 (d) ₹420
12. 12.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹300 (b) ₹2800 (c) ₹400 (d) ₹100
13. 13.The simple interest on ₹2500 for 3 years is ₹225. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 9%
14. 14.In how many years will ₹8000 earn ₹320 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
15. 15.In how many years will ₹7000 earn ₹1400 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
16. 16.The simple interest on ₹8000 for 5 years is ₹4800. What is the rate per year? (a) 12% (b) 11% (c) 60% (d) 13%
17. 17.The simple interest on ₹1500 for 5 years is ₹900. What is the rate per year? (a) 12% (b) 60% (c) 13% (d) 11%
18. 18.In how many years will ₹2500 earn ₹375 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
19. 19.In how many years will ₹7500 earn ₹2700 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
20. 20.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹10640 (b) ₹1140 (c) ₹11020 (d) ₹9880
21. 21.₹2500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹600 (b) ₹3100 (c) ₹2700 (d) ₹3300
22. 22.₹3500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹4200 (b) ₹525 (c) ₹4025 (d) ₹3675
23. 23.In how many years will ₹10000 earn ₹4000 simple interest at 8% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
24. 24.What is the simple interest on ₹7000 at 7% per year for 5 years? (a) ₹2450 (b) ₹2940 (c) ₹9450 (d) ₹490
25. 25.In how many years will ₹1000 earn ₹220 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
26. 26.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3180 (b) ₹120 (c) ₹3120 (d) ₹3060
27. 27.₹2000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹400 (b) ₹2200 (c) ₹2400 (d) ₹2600
28. 28.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹90 (b) ₹30 (c) ₹60 (d) ₹1060
29. 29.What is the simple interest on ₹5000 at 2% per year for 3 years? (a) ₹300 (b) ₹5300 (c) ₹400 (d) ₹100
30. 30.What is the simple interest on ₹3000 at 8% per year for 4 years? (a) ₹1200 (b) ₹240 (c) ₹960 (d) ₹3960
31. 31.₹1500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1575 (b) ₹1725 (c) ₹1650 (d) ₹150
32. 32.The simple interest on ₹3000 for 4 years is ₹1320. What is the rate per year? (a) 44% (b) 12% (c) 10% (d) 11%
33. 33.₹1500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1995 (b) ₹330 (c) ₹1830 (d) ₹1665
34. 34.What is the simple interest on ₹8000 at 12% per year for 2 years? (a) ₹960 (b) ₹9920 (c) ₹2880 (d) ₹1920
35. 35.The simple interest on ₹10000 for 2 years is ₹800. What is the rate per year? (a) 4% (b) 5% (c) 8% (d) 3%
36. 36.What is the simple interest on ₹1000 at 4% per year for 5 years? (a) ₹40 (b) ₹200 (c) ₹240 (d) ₹1200
37. 37.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 12% (b) 13% (c) 24% (d) 11%
38. 38.What is the simple interest on ₹1000 at 6% per year for 5 years? (a) ₹360 (b) ₹300 (c) ₹1300 (d) ₹60
39. 39.The simple interest on ₹8500 for 5 years is ₹3400. What is the rate per year? (a) 8% (b) 40% (c) 9% (d) 7%
40. 40.The simple interest on ₹5000 for 4 years is ₹1200. What is the rate per year? (a) 24% (b) 7% (c) 5% (d) 6%

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