Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 321 · 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.In how many years will ₹1500 earn ₹270 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
2. 2.₹7500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹10800 (b) ₹2475 (c) ₹9975 (d) ₹8325
3. 3.What is the simple interest on ₹8000 at 10% per year for 4 years? (a) ₹11200 (b) ₹4000 (c) ₹3200 (d) ₹800
4. 4.What is the simple interest on ₹1000 at 3% per year for 4 years? (a) ₹120 (b) ₹1120 (c) ₹150 (d) ₹30
5. 5.The simple interest on ₹1000 for 4 years is ₹200. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 6%
6. 6.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹4880 (b) ₹440 (c) ₹880 (d) ₹1320
7. 7.₹2000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹200 (b) ₹2200 (c) ₹2040 (d) ₹2240
8. 8.What is the simple interest on ₹3500 at 10% per year for 3 years? (a) ₹1400 (b) ₹4550 (c) ₹1050 (d) ₹350
9. 9.₹6500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹3575 (b) ₹7215 (c) ₹10075 (d) ₹10790
10. 10.What is the simple interest on ₹9000 at 3% per year for 5 years? (a) ₹1350 (b) ₹270 (c) ₹10350 (d) ₹1620
11. 11.The simple interest on ₹8500 for 5 years is ₹2125. What is the rate per year? (a) 5% (b) 25% (c) 4% (d) 6%
12. 12.₹7000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹10850 (b) ₹11620 (c) ₹7770 (d) ₹3850
13. 13.₹5500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹5995 (b) ₹7975 (c) ₹8470 (d) ₹2475
14. 14.In how many years will ₹6500 earn ₹1300 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
15. 15.In how many years will ₹6000 earn ₹1200 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
16. 16.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹240 (b) ₹2160 (c) ₹160 (d) ₹80
17. 17.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3570 (b) ₹140 (c) ₹3710 (d) ₹3640
18. 18.₹1000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1320 (b) ₹240 (c) ₹1080 (d) ₹1240
19. 19.What is the simple interest on ₹3500 at 6% per year for 3 years? (a) ₹630 (b) ₹210 (c) ₹4130 (d) ₹840
20. 20.The simple interest on ₹6000 for 4 years is ₹2400. What is the rate per year? (a) 40% (b) 11% (c) 9% (d) 10%
21. 21.In how many years will ₹7500 earn ₹300 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
22. 22.In how many years will ₹5000 earn ₹2750 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
23. 23.In how many years will ₹7000 earn ₹2800 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
24. 24.₹5500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1100 (b) ₹6600 (c) ₹6820 (d) ₹5720
25. 25.In how many years will ₹2500 earn ₹200 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
26. 26.In how many years will ₹6500 earn ₹3900 simple interest at 12% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
27. 27.What is the simple interest on ₹1000 at 9% per year for 3 years? (a) ₹1270 (b) ₹360 (c) ₹90 (d) ₹270
28. 28.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹1400 (b) ₹8050 (c) ₹1050 (d) ₹350
29. 29.What is the simple interest on ₹5500 at 5% per year for 4 years? (a) ₹1100 (b) ₹6600 (c) ₹275 (d) ₹1375
30. 30.What is the simple interest on ₹1500 at 10% per year for 5 years? (a) ₹2250 (b) ₹150 (c) ₹750 (d) ₹900
31. 31.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹5610 (b) ₹550 (c) ₹6050 (d) ₹6160
32. 32.₹9000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹4050 (b) ₹9810 (c) ₹13050 (d) ₹13860
33. 33.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹585 (b) ₹7085 (c) ₹780 (d) ₹195
34. 34.What is the simple interest on ₹4000 at 6% per year for 2 years? (a) ₹4480 (b) ₹240 (c) ₹480 (d) ₹720
35. 35.In how many years will ₹9500 earn ₹2280 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
36. 36.₹7500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1500 (b) ₹7875 (c) ₹9000 (d) ₹9375
37. 37.In how many years will ₹4500 earn ₹675 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
38. 38.What is the simple interest on ₹5500 at 2% per year for 5 years? (a) ₹660 (b) ₹110 (c) ₹6050 (d) ₹550
39. 39.In how many years will ₹4500 earn ₹540 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
40. 40.What is the simple interest on ₹7500 at 2% per year for 2 years? (a) ₹7800 (b) ₹450 (c) ₹150 (d) ₹300

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