Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 19 · 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 ₹3000 at 7% per year for 2 years? (a) ₹630 (b) ₹3420 (c) ₹420 (d) ₹210
2. 2.What is the simple interest on ₹1000 at 10% per year for 5 years? (a) ₹100 (b) ₹1500 (c) ₹500 (d) ₹600
3. 3.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹7315 (b) ₹2420 (c) ₹605 (d) ₹1815
4. 4.What is the simple interest on ₹3000 at 2% per year for 3 years? (a) ₹240 (b) ₹180 (c) ₹60 (d) ₹3180
5. 5.In how many years will ₹7500 earn ₹3000 simple interest at 10% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
6. 6.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹855 (b) ₹10640 (c) ₹10355 (d) ₹9785
7. 7.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹30 (b) ₹1590 (c) ₹90 (d) ₹120
8. 8.What is the simple interest on ₹7500 at 2% per year for 4 years? (a) ₹600 (b) ₹8100 (c) ₹150 (d) ₹750
9. 9.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
10. 10.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹855 (b) ₹11210 (c) ₹2565 (d) ₹1710
11. 11.₹3500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1225 (b) ₹3745 (c) ₹4970 (d) ₹4725
12. 12.₹8000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹8880 (b) ₹9760 (c) ₹10640 (d) ₹1760
13. 13.What is the simple interest on ₹5000 at 5% per year for 2 years? (a) ₹750 (b) ₹250 (c) ₹500 (d) ₹5500
14. 14.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹3625 (b) ₹225 (c) ₹1350 (d) ₹1125
15. 15.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 4%
16. 16.In how many years will ₹6000 earn ₹600 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
17. 17.The simple interest on ₹1000 for 5 years is ₹300. What is the rate per year? (a) 7% (b) 30% (c) 6% (d) 5%
18. 18.The simple interest on ₹4000 for 5 years is ₹600. What is the rate per year? (a) 2% (b) 15% (c) 3% (d) 4%
19. 19.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
20. 20.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4440 (b) ₹4800 (c) ₹1440 (d) ₹3360
21. 21.₹5500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹440 (b) ₹5720 (c) ₹6160 (d) ₹5940
22. 22.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2340 (b) ₹8840 (c) ₹9425 (d) ₹7085
23. 23.₹4000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹4280 (b) ₹5680 (c) ₹1400 (d) ₹5400
24. 24.What is the simple interest on ₹4500 at 6% per year for 5 years? (a) ₹1620 (b) ₹270 (c) ₹1350 (d) ₹5850
25. 25.₹9000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹10080 (b) ₹9900 (c) ₹900 (d) ₹9180
26. 26.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹7670 (b) ₹7085 (c) ₹1170 (d) ₹8255
27. 27.In how many years will ₹6000 earn ₹3000 simple interest at 10% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
28. 28.In how many years will ₹3500 earn ₹1260 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
29. 29.The simple interest on ₹5000 for 5 years is ₹1500. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 30%
30. 30.In how many years will ₹5000 earn ₹2400 simple interest at 12% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
31. 31.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
32. 32.₹7500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹8100 (b) ₹2400 (c) ₹10500 (d) ₹9900
33. 33.The simple interest on ₹1000 for 5 years is ₹250. What is the rate per year? (a) 4% (b) 6% (c) 25% (d) 5%
34. 34.The simple interest on ₹9500 for 3 years is ₹1140. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 12%
35. 35.What is the simple interest on ₹1500 at 7% per year for 2 years? (a) ₹210 (b) ₹315 (c) ₹105 (d) ₹1710
36. 36.In how many years will ₹9500 earn ₹5225 simple interest at 11% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
37. 37.What is the simple interest on ₹4000 at 12% per year for 5 years? (a) ₹480 (b) ₹2880 (c) ₹2400 (d) ₹6400
38. 38.What is the simple interest on ₹7500 at 7% per year for 2 years? (a) ₹8550 (b) ₹1050 (c) ₹1575 (d) ₹525
39. 39.The simple interest on ₹5000 for 2 years is ₹800. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
40. 40.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%

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