Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 613 · 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.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹160 (b) ₹2200 (c) ₹2160 (d) ₹2040
2. 2.In how many years will ₹6500 earn ₹1170 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
3. 3.₹1000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1110 (b) ₹1550 (c) ₹440 (d) ₹1440
4. 4.In how many years will ₹10000 earn ₹4000 simple interest at 8% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
5. 5.The simple interest on ₹5500 for 5 years is ₹550. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 10%
6. 6.What is the simple interest on ₹4500 at 5% per year for 5 years? (a) ₹1350 (b) ₹5625 (c) ₹1125 (d) ₹225
7. 7.In how many years will ₹8000 earn ₹3840 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
8. 8.What is the simple interest on ₹9500 at 7% per year for 4 years? (a) ₹3325 (b) ₹665 (c) ₹2660 (d) ₹12160
9. 9.What is the simple interest on ₹1500 at 7% per year for 2 years? (a) ₹210 (b) ₹105 (c) ₹315 (d) ₹1710
10. 10.In how many years will ₹7000 earn ₹1400 simple interest at 5% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
11. 11.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹320 (b) ₹2320 (c) ₹2400 (d) ₹2080
12. 12.₹6500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹8060 (b) ₹7800 (c) ₹6760 (d) ₹1300
13. 13.₹6500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹3575 (b) ₹10075 (c) ₹7215 (d) ₹10790
14. 14.In how many years will ₹9500 earn ₹2090 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
15. 15.₹1500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹90 (b) ₹1590 (c) ₹1530 (d) ₹1620
16. 16.₹4500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹4725 (b) ₹5625 (c) ₹900 (d) ₹5400
17. 17.In how many years will ₹2500 earn ₹300 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
18. 18.In how many years will ₹9000 earn ₹1260 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
19. 19.What is the simple interest on ₹3000 at 3% per year for 4 years? (a) ₹3360 (b) ₹90 (c) ₹360 (d) ₹450
20. 20.₹3500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹3745 (b) ₹4235 (c) ₹4480 (d) ₹735
21. 21.₹8000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹11520 (b) ₹8880 (c) ₹12400 (d) ₹3520
22. 22.₹1000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹400 (b) ₹1500 (c) ₹1100 (d) ₹1400
23. 23.The simple interest on ₹4500 for 4 years is ₹1980. What is the rate per year? (a) 10% (b) 44% (c) 12% (d) 11%
24. 24.What is the simple interest on ₹9000 at 3% per year for 3 years? (a) ₹270 (b) ₹810 (c) ₹9810 (d) ₹1080
25. 25.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹700 (b) ₹875 (c) ₹175 (d) ₹3200
26. 26.What is the simple interest on ₹1000 at 6% per year for 2 years? (a) ₹180 (b) ₹60 (c) ₹1120 (d) ₹120
27. 27.The simple interest on ₹6500 for 5 years is ₹2925. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
28. 28.₹6000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹8880 (b) ₹9600 (c) ₹6720 (d) ₹2880
29. 29.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹595 (b) ₹1190 (c) ₹1785 (d) ₹9690
30. 30.The simple interest on ₹4500 for 4 years is ₹1260. What is the rate per year? (a) 28% (b) 6% (c) 7% (d) 8%
31. 31.In how many years will ₹3500 earn ₹1925 simple interest at 11% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
32. 32.The simple interest on ₹2500 for 4 years is ₹200. What is the rate per year? (a) 1% (b) 8% (c) 3% (d) 2%
33. 33.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹120 (b) ₹4600 (c) ₹720 (d) ₹600
34. 34.In how many years will ₹4000 earn ₹1440 simple interest at 9% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
35. 35.In how many years will ₹2500 earn ₹550 simple interest at 11% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
36. 36.In how many years will ₹10000 earn ₹3000 simple interest at 10% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
37. 37.In how many years will ₹6000 earn ₹3300 simple interest at 11% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
38. 38.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹900 (b) ₹10800 (c) ₹2700 (d) ₹1800
39. 39.The simple interest on ₹5500 for 5 years is ₹825. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 15%
40. 40.In how many years will ₹7500 earn ₹1800 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years

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