Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 812 · 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 ₹8500 at 7% per year for 5 years? (a) ₹11475 (b) ₹2975 (c) ₹595 (d) ₹3570
2. 2.The simple interest on ₹7500 for 4 years is ₹2700. What is the rate per year? (a) 36% (b) 10% (c) 9% (d) 8%
3. 3.The simple interest on ₹3500 for 3 years is ₹1050. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 30%
4. 4.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹3600 (b) ₹275 (c) ₹1375 (d) ₹1100
5. 5.In how many years will ₹7500 earn ₹900 simple interest at 3% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
6. 6.In how many years will ₹4000 earn ₹1120 simple interest at 7% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
7. 7.In how many years will ₹3500 earn ₹840 simple interest at 6% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
8. 8.In how many years will ₹2000 earn ₹800 simple interest at 8% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
9. 9.₹8000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹9600 (b) ₹10000 (c) ₹8400 (d) ₹1600
10. 10.In how many years will ₹9000 earn ₹1440 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
11. 11.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹3710 (b) ₹280 (c) ₹210 (d) ₹70
12. 12.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹495 (b) ₹5830 (c) ₹165 (d) ₹330
13. 13.What is the simple interest on ₹5500 at 9% per year for 2 years? (a) ₹495 (b) ₹990 (c) ₹1485 (d) ₹6490
14. 14.The simple interest on ₹9000 for 4 years is ₹1440. What is the rate per year? (a) 16% (b) 4% (c) 3% (d) 5%
15. 15.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹400 (b) ₹800 (c) ₹1200 (d) ₹10800
16. 16.What is the simple interest on ₹9000 at 8% per year for 3 years? (a) ₹2880 (b) ₹2160 (c) ₹720 (d) ₹11160
17. 17.The simple interest on ₹9500 for 3 years is ₹2280. What is the rate per year? (a) 24% (b) 7% (c) 9% (d) 8%
18. 18.₹5000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2200 (b) ₹5550 (c) ₹7200 (d) ₹7750
19. 19.₹2500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3100 (b) ₹2600 (c) ₹500 (d) ₹3000
20. 20.The simple interest on ₹3500 for 4 years is ₹1680. What is the rate per year? (a) 48% (b) 12% (c) 11% (d) 13%
21. 21.₹7500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹7800 (b) ₹1500 (c) ₹9300 (d) ₹9000
22. 22.₹9000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹12600 (b) ₹9900 (c) ₹13500 (d) ₹3600
23. 23.In how many years will ₹1000 earn ₹60 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
24. 24.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹600 (b) ₹1800 (c) ₹8700 (d) ₹1200
25. 25.In how many years will ₹8500 earn ₹1275 simple interest at 5% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
26. 26.In how many years will ₹8000 earn ₹2640 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
27. 27.In how many years will ₹1000 earn ₹400 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
28. 28.The simple interest on ₹8500 for 5 years is ₹3400. What is the rate per year? (a) 7% (b) 40% (c) 9% (d) 8%
29. 29.What is the simple interest on ₹7000 at 8% per year for 4 years? (a) ₹560 (b) ₹2240 (c) ₹2800 (d) ₹9240
30. 30.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3300 (b) ₹4200 (c) ₹1200 (d) ₹4500
31. 31.What is the simple interest on ₹9500 at 7% per year for 5 years? (a) ₹3990 (b) ₹3325 (c) ₹665 (d) ₹12825
32. 32.What is the simple interest on ₹4000 at 11% per year for 5 years? (a) ₹440 (b) ₹2200 (c) ₹2640 (d) ₹6200
33. 33.What is the simple interest on ₹9000 at 9% per year for 4 years? (a) ₹12240 (b) ₹810 (c) ₹3240 (d) ₹4050
34. 34.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹250 (b) ₹1250 (c) ₹50 (d) ₹300
35. 35.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 2% (b) 4% (c) 15% (d) 3%
36. 36.What is the simple interest on ₹6500 at 2% per year for 4 years? (a) ₹520 (b) ₹7020 (c) ₹130 (d) ₹650
37. 37.The simple interest on ₹6000 for 2 years is ₹720. What is the rate per year? (a) 12% (b) 7% (c) 5% (d) 6%
38. 38.The simple interest on ₹4000 for 5 years is ₹800. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 20%
39. 39.The simple interest on ₹8000 for 4 years is ₹1920. What is the rate per year? (a) 5% (b) 6% (c) 24% (d) 7%
40. 40.In how many years will ₹3500 earn ₹700 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years

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