Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 159 · 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 ₹5500 at 3% per year for 2 years? (a) ₹495 (b) ₹5830 (c) ₹330 (d) ₹165
2. 2.What is the simple interest on ₹7500 at 8% per year for 5 years? (a) ₹600 (b) ₹3000 (c) ₹3600 (d) ₹10500
3. 3.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹660 (b) ₹3660 (c) ₹990 (d) ₹330
4. 4.In how many years will ₹5500 earn ₹2750 simple interest at 10% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
5. 5.₹3500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹5250 (b) ₹3850 (c) ₹1400 (d) ₹4900
6. 6.₹7000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹8050 (b) ₹7210 (c) ₹840 (d) ₹7840
7. 7.What is the simple interest on ₹7500 at 6% per year for 4 years? (a) ₹2250 (b) ₹450 (c) ₹9300 (d) ₹1800
8. 8.₹6500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7020 (b) ₹8060 (c) ₹1040 (d) ₹7540
9. 9.What is the simple interest on ₹4500 at 4% per year for 3 years? (a) ₹540 (b) ₹720 (c) ₹5040 (d) ₹180
10. 10.In how many years will ₹8500 earn ₹1870 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
11. 11.₹10000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹2000 (b) ₹12400 (c) ₹12000 (d) ₹10400
12. 12.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹225 (b) ₹8175 (c) ₹900 (d) ₹675
13. 13.What is the simple interest on ₹10000 at 7% per year for 3 years? (a) ₹12100 (b) ₹700 (c) ₹2100 (d) ₹2800
14. 14.In how many years will ₹9500 earn ₹1425 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
15. 15.In how many years will ₹8000 earn ₹480 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
16. 16.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4860 (b) ₹6660 (c) ₹1800 (d) ₹6300
17. 17.In how many years will ₹4000 earn ₹600 simple interest at 5% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
18. 18.In how many years will ₹3500 earn ₹840 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
19. 19.The simple interest on ₹3000 for 5 years is ₹750. What is the rate per year? (a) 4% (b) 5% (c) 25% (d) 6%
20. 20.What is the simple interest on ₹2000 at 11% per year for 3 years? (a) ₹880 (b) ₹2660 (c) ₹660 (d) ₹220
21. 21.In how many years will ₹9000 earn ₹2880 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
22. 22.The simple interest on ₹6000 for 4 years is ₹720. What is the rate per year? (a) 2% (b) 4% (c) 12% (d) 3%
23. 23.In how many years will ₹10000 earn ₹1800 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
24. 24.What is the simple interest on ₹10000 at 10% per year for 3 years? (a) ₹4000 (b) ₹13000 (c) ₹1000 (d) ₹3000
25. 25.In how many years will ₹5500 earn ₹990 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
26. 26.₹7000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹7770 (b) ₹3850 (c) ₹10850 (d) ₹11620
27. 27.₹5000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹800 (b) ₹5400 (c) ₹6200 (d) ₹5800
28. 28.The simple interest on ₹5000 for 2 years is ₹700. What is the rate per year? (a) 14% (b) 8% (c) 6% (d) 7%
29. 29.What is the simple interest on ₹4000 at 8% per year for 4 years? (a) ₹1280 (b) ₹1600 (c) ₹5280 (d) ₹320
30. 30.₹1000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹200 (b) ₹1050 (c) ₹1200 (d) ₹1250
31. 31.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹6250 (b) ₹1500 (c) ₹1250 (d) ₹250
32. 32.What is the simple interest on ₹1500 at 4% per year for 4 years? (a) ₹1740 (b) ₹60 (c) ₹240 (d) ₹300
33. 33.What is the simple interest on ₹2500 at 10% per year for 2 years? (a) ₹250 (b) ₹500 (c) ₹750 (d) ₹3000
34. 34.In how many years will ₹9000 earn ₹1350 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
35. 35.₹3500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹5250 (b) ₹3850 (c) ₹5600 (d) ₹1750
36. 36.₹5500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹7975 (b) ₹2475 (c) ₹5995 (d) ₹8470
37. 37.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3270 (b) ₹3090 (c) ₹180 (d) ₹3180
38. 38.What is the simple interest on ₹6500 at 10% per year for 3 years? (a) ₹8450 (b) ₹1950 (c) ₹2600 (d) ₹650
39. 39.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹1360 (b) ₹9520 (c) ₹1020 (d) ₹340
40. 40.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹250 (c) ₹1300 (d) ₹1250

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