Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 867 · 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 ₹9000 earn ₹1800 simple interest at 4% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
2. 2.₹7500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1200 (b) ₹8700 (c) ₹9000 (d) ₹7800
3. 3.₹7500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹8550 (b) ₹1050 (c) ₹8025 (d) ₹9075
4. 4.The simple interest on ₹1500 for 2 years is ₹270. What is the rate per year? (a) 18% (b) 10% (c) 9% (d) 8%
5. 5.In how many years will ₹4500 earn ₹900 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
6. 6.The simple interest on ₹2500 for 2 years is ₹450. What is the rate per year? (a) 8% (b) 10% (c) 18% (d) 9%
7. 7.The simple interest on ₹6500 for 2 years is ₹650. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 10%
8. 8.In how many years will ₹5500 earn ₹1155 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
9. 9.What is the simple interest on ₹6000 at 2% per year for 4 years? (a) ₹6480 (b) ₹600 (c) ₹480 (d) ₹120
10. 10.The simple interest on ₹2500 for 2 years is ₹550. What is the rate per year? (a) 22% (b) 11% (c) 10% (d) 12%
11. 11.In how many years will ₹7000 earn ₹3150 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
12. 12.The simple interest on ₹8000 for 2 years is ₹1280. What is the rate per year? (a) 9% (b) 16% (c) 8% (d) 7%
13. 13.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹225 (b) ₹180 (c) ₹45 (d) ₹1680
14. 14.What is the simple interest on ₹3500 at 5% per year for 4 years? (a) ₹4200 (b) ₹700 (c) ₹875 (d) ₹175
15. 15.What is the simple interest on ₹2000 at 7% per year for 4 years? (a) ₹2560 (b) ₹560 (c) ₹700 (d) ₹140
16. 16.₹7500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹9375 (b) ₹1500 (c) ₹7875 (d) ₹9000
17. 17.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹1250 (c) ₹1300 (d) ₹250
18. 18.In how many years will ₹8000 earn ₹2640 simple interest at 11% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
19. 19.In how many years will ₹5500 earn ₹1650 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
20. 20.The simple interest on ₹4500 for 2 years is ₹270. What is the rate per year? (a) 6% (b) 2% (c) 4% (d) 3%
21. 21.In how many years will ₹4000 earn ₹400 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
22. 22.What is the simple interest on ₹7500 at 5% per year for 3 years? (a) ₹1125 (b) ₹8625 (c) ₹375 (d) ₹1500
23. 23.₹1000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1070 (b) ₹210 (c) ₹1210 (d) ₹1280
24. 24.What is the simple interest on ₹5500 at 9% per year for 2 years? (a) ₹990 (b) ₹6490 (c) ₹1485 (d) ₹495
25. 25.₹2000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹2400 (c) ₹2300 (d) ₹2100
26. 26.What is the simple interest on ₹3500 at 4% per year for 5 years? (a) ₹840 (b) ₹4200 (c) ₹140 (d) ₹700
27. 27.The simple interest on ₹2000 for 3 years is ₹660. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 33%
28. 28.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹560 (b) ₹8680 (c) ₹2240 (d) ₹1680
29. 29.What is the simple interest on ₹9000 at 4% per year for 5 years? (a) ₹1800 (b) ₹360 (c) ₹10800 (d) ₹2160
30. 30.₹1000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1160 (b) ₹120 (c) ₹1120 (d) ₹1040
31. 31.₹4000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹4560 (c) ₹4840 (d) ₹4280
32. 32.The simple interest on ₹6500 for 5 years is ₹1950. What is the rate per year? (a) 5% (b) 30% (c) 6% (d) 7%
33. 33.The simple interest on ₹1500 for 5 years is ₹450. What is the rate per year? (a) 30% (b) 7% (c) 6% (d) 5%
34. 34.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
35. 35.What is the simple interest on ₹4000 at 9% per year for 2 years? (a) ₹4720 (b) ₹1080 (c) ₹720 (d) ₹360
36. 36.In how many years will ₹3500 earn ₹560 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
37. 37.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹2650 (b) ₹75 (c) ₹225 (d) ₹150
38. 38.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹270 (b) ₹135 (c) ₹405 (d) ₹1770
39. 39.What is the simple interest on ₹7000 at 10% per year for 5 years? (a) ₹10500 (b) ₹700 (c) ₹4200 (d) ₹3500
40. 40.The simple interest on ₹5500 for 5 years is ₹3300. What is the rate per year? (a) 60% (b) 13% (c) 12% (d) 11%

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