Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 12 · 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 ₹7000 at 5% per year for 4 years? (a) ₹1400 (b) ₹1750 (c) ₹8400 (d) ₹350
2. 2.₹4000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4240 (b) ₹240 (c) ₹4360 (d) ₹4120
3. 3.What is the simple interest on ₹6500 at 11% per year for 2 years? (a) ₹7930 (b) ₹2145 (c) ₹1430 (d) ₹715
4. 4.In how many years will ₹8500 earn ₹1870 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
5. 5.In how many years will ₹1500 earn ₹300 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
6. 6.₹4000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4360 (b) ₹5440 (c) ₹5080 (d) ₹1080
7. 7.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹13175 (b) ₹935 (c) ₹4675 (d) ₹5610
8. 8.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹3625 (b) ₹1350 (c) ₹225 (d) ₹1125
9. 9.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10200 (b) ₹10400 (c) ₹10600 (d) ₹400
10. 10.What is the simple interest on ₹9000 at 4% per year for 5 years? (a) ₹360 (b) ₹2160 (c) ₹10800 (d) ₹1800
11. 11.In how many years will ₹9000 earn ₹4500 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
12. 12.What is the simple interest on ₹6500 at 10% per year for 2 years? (a) ₹650 (b) ₹7800 (c) ₹1300 (d) ₹1950
13. 13.In how many years will ₹3500 earn ₹1260 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
14. 14.₹5000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹5200 (b) ₹1000 (c) ₹6200 (d) ₹6000
15. 15.What is the simple interest on ₹5500 at 11% per year for 2 years? (a) ₹6710 (b) ₹1815 (c) ₹605 (d) ₹1210
16. 16.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹8700 (b) ₹600 (c) ₹1200 (d) ₹1800
17. 17.The simple interest on ₹5000 for 4 years is ₹800. What is the rate per year? (a) 16% (b) 5% (c) 3% (d) 4%
18. 18.The simple interest on ₹5000 for 5 years is ₹500. What is the rate per year? (a) 1% (b) 3% (c) 10% (d) 2%
19. 19.The simple interest on ₹3000 for 5 years is ₹1800. What is the rate per year? (a) 13% (b) 11% (c) 60% (d) 12%
20. 20.₹6000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1440 (b) ₹7440 (c) ₹6360 (d) ₹7800
21. 21.₹3500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹210 (b) ₹3710 (c) ₹3780 (d) ₹3570
22. 22.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹400 (b) ₹11200 (c) ₹1200 (d) ₹1600
23. 23.₹9500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹10545 (b) ₹3135 (c) ₹12635 (d) ₹13680
24. 24.The simple interest on ₹6500 for 3 years is ₹585. What is the rate per year? (a) 2% (b) 9% (c) 3% (d) 4%
25. 25.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
26. 26.₹3000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹720 (b) ₹3240 (c) ₹3720 (d) ₹3960
27. 27.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹160 (b) ₹2040 (c) ₹2160 (d) ₹2200
28. 28.What is the simple interest on ₹1500 at 8% per year for 4 years? (a) ₹1980 (b) ₹600 (c) ₹120 (d) ₹480
29. 29.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹990 (b) ₹1320 (c) ₹330 (d) ₹6490
30. 30.In how many years will ₹6500 earn ₹780 simple interest at 6% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
31. 31.What is the simple interest on ₹7500 at 2% per year for 4 years? (a) ₹600 (b) ₹750 (c) ₹150 (d) ₹8100
32. 32.₹4500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4995 (b) ₹6975 (c) ₹7470 (d) ₹2475
33. 33.₹7000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹8680 (b) ₹7420 (c) ₹8260 (d) ₹1260
34. 34.In how many years will ₹3500 earn ₹1925 simple interest at 11% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
35. 35.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 2% (b) 8% (c) 3% (d) 1%
36. 36.In how many years will ₹7000 earn ₹1470 simple interest at 7% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
37. 37.The simple interest on ₹8500 for 3 years is ₹1785. What is the rate per year? (a) 7% (b) 21% (c) 6% (d) 8%
38. 38.The simple interest on ₹5000 for 3 years is ₹1350. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 27%
39. 39.₹7000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹7840 (b) ₹700 (c) ₹7140 (d) ₹7700
40. 40.₹8000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹640 (b) ₹8640 (c) ₹8960 (d) ₹8320

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