Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 933 · 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 ₹4000 for 4 years is ₹960. What is the rate per year? (a) 24% (b) 7% (c) 6% (d) 5%
2. 2.₹6000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹6600 (c) ₹8400 (d) ₹7800
3. 3.What is the simple interest on ₹9000 at 10% per year for 4 years? (a) ₹900 (b) ₹4500 (c) ₹12600 (d) ₹3600
4. 4.₹2000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2240 (b) ₹2200 (c) ₹2040 (d) ₹200
5. 5.What is the simple interest on ₹9500 at 12% per year for 5 years? (a) ₹15200 (b) ₹6840 (c) ₹1140 (d) ₹5700
6. 6.₹2500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2700 (b) ₹150 (c) ₹2550 (d) ₹2650
7. 7.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹270 (b) ₹3270 (c) ₹360 (d) ₹90
8. 8.In how many years will ₹1000 earn ₹240 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
9. 9.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹225 (b) ₹2650 (c) ₹150 (d) ₹75
10. 10.In how many years will ₹9000 earn ₹1620 simple interest at 6% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
11. 11.What is the simple interest on ₹8000 at 10% per year for 3 years? (a) ₹10400 (b) ₹3200 (c) ₹2400 (d) ₹800
12. 12.What is the simple interest on ₹5500 at 8% per year for 4 years? (a) ₹2200 (b) ₹7260 (c) ₹1760 (d) ₹440
13. 13.The simple interest on ₹4500 for 5 years is ₹2250. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 50%
14. 14.The simple interest on ₹10000 for 3 years is ₹3300. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 33%
15. 15.In how many years will ₹8000 earn ₹640 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
16. 16.In how many years will ₹6500 earn ₹1950 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
17. 17.₹7000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹8050 (b) ₹700 (c) ₹7350 (d) ₹7700
18. 18.What is the simple interest on ₹4000 at 9% per year for 4 years? (a) ₹1800 (b) ₹360 (c) ₹1440 (d) ₹5440
19. 19.The simple interest on ₹9500 for 2 years is ₹1900. What is the rate per year? (a) 10% (b) 9% (c) 20% (d) 11%
20. 20.₹3000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3180 (b) ₹720 (c) ₹3720 (d) ₹3900
21. 21.In how many years will ₹5500 earn ₹2640 simple interest at 12% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
22. 22.In how many years will ₹7500 earn ₹750 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
23. 23.The simple interest on ₹5500 for 4 years is ₹2420. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 44%
24. 24.What is the simple interest on ₹2500 at 6% per year for 3 years? (a) ₹2950 (b) ₹150 (c) ₹600 (d) ₹450
25. 25.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 15%
26. 26.₹6500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹9230 (b) ₹8775 (c) ₹6955 (d) ₹2275
27. 27.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1680 (b) ₹1590 (c) ₹1770 (d) ₹180
28. 28.In how many years will ₹5500 earn ₹330 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
29. 29.What is the simple interest on ₹8500 at 12% per year for 4 years? (a) ₹1020 (b) ₹4080 (c) ₹5100 (d) ₹12580
30. 30.The simple interest on ₹10000 for 3 years is ₹2700. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 27%
31. 31.The simple interest on ₹8000 for 2 years is ₹1920. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 24%
32. 32.The simple interest on ₹8000 for 2 years is ₹1760. What is the rate per year? (a) 22% (b) 11% (c) 10% (d) 12%
33. 33.In how many years will ₹3500 earn ₹280 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
34. 34.The simple interest on ₹9000 for 5 years is ₹1350. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 15%
35. 35.The simple interest on ₹4000 for 5 years is ₹400. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 10%
36. 36.The simple interest on ₹6000 for 2 years is ₹480. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 8%
37. 37.In how many years will ₹3000 earn ₹1650 simple interest at 11% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
38. 38.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹6250 (b) ₹250 (c) ₹1500 (d) ₹1250
39. 39.The simple interest on ₹2500 for 4 years is ₹200. What is the rate per year? (a) 1% (b) 8% (c) 2% (d) 3%
40. 40.The simple interest on ₹8500 for 3 years is ₹1530. What is the rate per year? (a) 18% (b) 5% (c) 6% (d) 7%

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