Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 593 · 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.₹2500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3400 (b) ₹900 (c) ₹2800 (d) ₹3700
2. 2.What is the simple interest on ₹2000 at 6% per year for 4 years? (a) ₹120 (b) ₹2480 (c) ₹480 (d) ₹600
3. 3.What is the simple interest on ₹6500 at 3% per year for 4 years? (a) ₹7280 (b) ₹195 (c) ₹975 (d) ₹780
4. 4.In how many years will ₹2000 earn ₹560 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
5. 5.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 24% (b) 7% (c) 6% (d) 5%
6. 6.The simple interest on ₹7000 for 4 years is ₹2800. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 40%
7. 7.In how many years will ₹2000 earn ₹240 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
8. 8.₹5500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹6160 (b) ₹9460 (c) ₹8800 (d) ₹3300
9. 9.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹135 (b) ₹1905 (c) ₹540 (d) ₹405
10. 10.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 15%
11. 11.In how many years will ₹2000 earn ₹180 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
12. 12.The simple interest on ₹1000 for 4 years is ₹360. What is the rate per year? (a) 36% (b) 10% (c) 8% (d) 9%
13. 13.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
14. 14.In how many years will ₹10000 earn ₹1800 simple interest at 9% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
15. 15.The simple interest on ₹2000 for 4 years is ₹960. What is the rate per year? (a) 13% (b) 48% (c) 11% (d) 12%
16. 16.The simple interest on ₹6500 for 5 years is ₹1625. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 25%
17. 17.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹6660 (b) ₹4860 (c) ₹6300 (d) ₹1800
18. 18.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹400 (b) ₹1600 (c) ₹1200 (d) ₹11200
19. 19.₹3500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹700 (b) ₹3640 (c) ₹4200 (d) ₹4340
20. 20.₹2000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹800 (b) ₹2800 (c) ₹2960 (d) ₹2160
21. 21.What is the simple interest on ₹2500 at 11% per year for 3 years? (a) ₹275 (b) ₹3325 (c) ₹825 (d) ₹1100
22. 22.What is the simple interest on ₹6000 at 6% per year for 4 years? (a) ₹7440 (b) ₹360 (c) ₹1800 (d) ₹1440
23. 23.In how many years will ₹6000 earn ₹3000 simple interest at 10% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
24. 24.In how many years will ₹6500 earn ₹1755 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
25. 25.What is the simple interest on ₹10000 at 7% per year for 4 years? (a) ₹700 (b) ₹3500 (c) ₹12800 (d) ₹2800
26. 26.The simple interest on ₹2000 for 4 years is ₹880. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 44%
27. 27.What is the simple interest on ₹10000 at 5% per year for 4 years? (a) ₹500 (b) ₹2500 (c) ₹12000 (d) ₹2000
28. 28.In how many years will ₹1500 earn ₹600 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
29. 29.₹2500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹2950 (c) ₹2650 (d) ₹2800
30. 30.₹8500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2380 (b) ₹11475 (c) ₹10880 (d) ₹9095
31. 31.The simple interest on ₹2000 for 5 years is ₹200. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 10%
32. 32.The simple interest on ₹10000 for 5 years is ₹2000. What is the rate per year? (a) 5% (b) 20% (c) 3% (d) 4%
33. 33.₹2500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹4000 (b) ₹3750 (c) ₹2750 (d) ₹1250
34. 34.₹6500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1430 (b) ₹8645 (c) ₹7215 (d) ₹7930
35. 35.In how many years will ₹7500 earn ₹1200 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
36. 36.In how many years will ₹6000 earn ₹3300 simple interest at 11% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
37. 37.₹9500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹9785 (b) ₹11210 (c) ₹10925 (d) ₹1425
38. 38.The simple interest on ₹10000 for 3 years is ₹3300. What is the rate per year? (a) 33% (b) 10% (c) 12% (d) 11%
39. 39.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹3240 (b) ₹300 (c) ₹240 (d) ₹60
40. 40.The simple interest on ₹8500 for 2 years is ₹1360. What is the rate per year? (a) 8% (b) 7% (c) 16% (d) 9%

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