Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 219 · 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 ₹5500 for 3 years is ₹825. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 15%
2. 2.What is the simple interest on ₹7500 at 3% per year for 4 years? (a) ₹8400 (b) ₹900 (c) ₹1125 (d) ₹225
3. 3.The simple interest on ₹7000 for 2 years is ₹700. What is the rate per year? (a) 6% (b) 10% (c) 5% (d) 4%
4. 4.What is the simple interest on ₹8000 at 9% per year for 4 years? (a) ₹2880 (b) ₹10880 (c) ₹720 (d) ₹3600
5. 5.₹5000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹5200 (b) ₹600 (c) ₹5600 (d) ₹5800
6. 6.What is the simple interest on ₹6500 at 2% per year for 2 years? (a) ₹6760 (b) ₹130 (c) ₹390 (d) ₹260
7. 7.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹360 (b) ₹300 (c) ₹60 (d) ₹1800
8. 8.What is the simple interest on ₹7500 at 11% per year for 2 years? (a) ₹9150 (b) ₹2475 (c) ₹825 (d) ₹1650
9. 9.₹1000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1050 (b) ₹1200 (c) ₹200 (d) ₹1250
10. 10.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3240 (b) ₹3720 (c) ₹480 (d) ₹3480
11. 11.The simple interest on ₹3500 for 3 years is ₹1155. What is the rate per year? (a) 10% (b) 11% (c) 33% (d) 12%
12. 12.₹6000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹6300 (b) ₹1200 (c) ₹7500 (d) ₹7200
13. 13.The simple interest on ₹5000 for 4 years is ₹1600. What is the rate per year? (a) 8% (b) 7% (c) 32% (d) 9%
14. 14.The simple interest on ₹2500 for 2 years is ₹600. What is the rate per year? (a) 11% (b) 24% (c) 13% (d) 12%
15. 15.In how many years will ₹2500 earn ₹1375 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
16. 16.₹10000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹12400 (b) ₹13600 (c) ₹2400 (d) ₹11200
17. 17.What is the simple interest on ₹2500 at 11% per year for 5 years? (a) ₹1650 (b) ₹1375 (c) ₹3875 (d) ₹275
18. 18.The simple interest on ₹10000 for 3 years is ₹900. What is the rate per year? (a) 2% (b) 9% (c) 4% (d) 3%
19. 19.In how many years will ₹4500 earn ₹720 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
20. 20.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹1800 (b) ₹10440 (c) ₹1440 (d) ₹360
21. 21.₹1000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹80 (b) ₹1080 (c) ₹1120 (d) ₹1040
22. 22.In how many years will ₹5000 earn ₹1200 simple interest at 8% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
23. 23.What is the simple interest on ₹3000 at 10% per year for 3 years? (a) ₹1200 (b) ₹300 (c) ₹900 (d) ₹3900
24. 24.What is the simple interest on ₹9000 at 9% per year for 3 years? (a) ₹810 (b) ₹11430 (c) ₹3240 (d) ₹2430
25. 25.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹680 (b) ₹11900 (c) ₹4080 (d) ₹3400
26. 26.What is the simple interest on ₹4500 at 4% per year for 4 years? (a) ₹5220 (b) ₹900 (c) ₹180 (d) ₹720
27. 27.In how many years will ₹6000 earn ₹2400 simple interest at 8% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
28. 28.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹180 (b) ₹4680 (c) ₹90 (d) ₹270
29. 29.In how many years will ₹6000 earn ₹900 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
30. 30.₹7000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹9520 (b) ₹7840 (c) ₹10360 (d) ₹2520
31. 31.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹750 (b) ₹150 (c) ₹3750 (d) ₹900
32. 32.₹7000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9310 (b) ₹8540 (c) ₹7770 (d) ₹1540
33. 33.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹1090 (c) ₹1360 (d) ₹1270
34. 34.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹1680 (b) ₹4900 (c) ₹1400 (d) ₹280
35. 35.What is the simple interest on ₹8000 at 5% per year for 2 years? (a) ₹8800 (b) ₹1200 (c) ₹400 (d) ₹800
36. 36.In how many years will ₹7500 earn ₹1350 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
37. 37.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹9300 (b) ₹660 (c) ₹3300 (d) ₹3960
38. 38.In how many years will ₹4500 earn ₹450 simple interest at 2% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
39. 39.₹8500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9435 (b) ₹1870 (c) ₹10370 (d) ₹11305
40. 40.In how many years will ₹9500 earn ₹1425 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years

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