Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 503 · 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 ₹10000 earn ₹2000 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
2. 2.₹8500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹11560 (b) ₹9265 (c) ₹10795 (d) ₹2295
3. 3.What is the simple interest on ₹4000 at 8% per year for 5 years? (a) ₹1920 (b) ₹320 (c) ₹5600 (d) ₹1600
4. 4.What is the simple interest on ₹1000 at 6% per year for 5 years? (a) ₹1300 (b) ₹60 (c) ₹300 (d) ₹360
5. 5.₹9500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹15200 (b) ₹4560 (c) ₹14060 (d) ₹10640
6. 6.In how many years will ₹8000 earn ₹2400 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
7. 7.₹8000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹9920 (b) ₹8320 (c) ₹1600 (d) ₹9600
8. 8.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹1530 (c) ₹60 (d) ₹1560
9. 9.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹225 (b) ₹1350 (c) ₹1125 (d) ₹3625
10. 10.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 4% (b) 5% (c) 20% (d) 6%
11. 11.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹3750 (b) ₹750 (c) ₹150 (d) ₹900
12. 12.In how many years will ₹3500 earn ₹700 simple interest at 10% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
13. 13.The simple interest on ₹3500 for 3 years is ₹1260. What is the rate per year? (a) 36% (b) 12% (c) 11% (d) 13%
14. 14.What is the simple interest on ₹5000 at 8% per year for 2 years? (a) ₹1200 (b) ₹400 (c) ₹800 (d) ₹5800
15. 15.The simple interest on ₹1500 for 5 years is ₹900. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 60%
16. 16.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹1000 (b) ₹200 (c) ₹3500 (d) ₹1200
17. 17.The simple interest on ₹2500 for 3 years is ₹600. What is the rate per year? (a) 9% (b) 8% (c) 24% (d) 7%
18. 18.What is the simple interest on ₹3000 at 7% per year for 3 years? (a) ₹210 (b) ₹840 (c) ₹3630 (d) ₹630
19. 19.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹200 (b) ₹600 (c) ₹2900 (d) ₹400
20. 20.In how many years will ₹9500 earn ₹1425 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
21. 21.What is the simple interest on ₹6000 at 12% per year for 5 years? (a) ₹3600 (b) ₹720 (c) ₹4320 (d) ₹9600
22. 22.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹10370 (b) ₹2805 (c) ₹1870 (d) ₹935
23. 23.The simple interest on ₹4500 for 5 years is ₹2700. What is the rate per year? (a) 60% (b) 13% (c) 11% (d) 12%
24. 24.What is the simple interest on ₹9000 at 11% per year for 4 years? (a) ₹12960 (b) ₹990 (c) ₹3960 (d) ₹4950
25. 25.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 1%
26. 26.The simple interest on ₹8500 for 5 years is ₹2975. What is the rate per year? (a) 7% (b) 8% (c) 35% (d) 6%
27. 27.The simple interest on ₹6500 for 2 years is ₹1170. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 18%
28. 28.₹3000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹1800 (b) ₹4800 (c) ₹3360 (d) ₹5160
29. 29.What is the simple interest on ₹2500 at 6% per year for 5 years? (a) ₹150 (b) ₹3250 (c) ₹900 (d) ₹750
30. 30.₹5500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹6820 (b) ₹1320 (c) ₹7260 (d) ₹5940
31. 31.₹9500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹950 (b) ₹10450 (c) ₹10925 (d) ₹9975
32. 32.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹1680 (b) ₹180 (c) ₹90 (d) ₹270
33. 33.₹8000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹11840 (b) ₹12800 (c) ₹3840 (d) ₹8960
34. 34.The simple interest on ₹7000 for 3 years is ₹1050. What is the rate per year? (a) 5% (b) 15% (c) 6% (d) 4%
35. 35.The simple interest on ₹2000 for 3 years is ₹240. What is the rate per year? (a) 12% (b) 3% (c) 5% (d) 4%
36. 36.In how many years will ₹9500 earn ₹1330 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
37. 37.What is the simple interest on ₹6000 at 4% per year for 3 years? (a) ₹960 (b) ₹6720 (c) ₹720 (d) ₹240
38. 38.In how many years will ₹8500 earn ₹2550 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
39. 39.₹10000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹11200 (b) ₹10400 (c) ₹11600 (d) ₹1200
40. 40.What is the simple interest on ₹9500 at 12% per year for 5 years? (a) ₹1140 (b) ₹15200 (c) ₹6840 (d) ₹5700

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