Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 930 · 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.₹10000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹11600 (c) ₹11200 (d) ₹10400
2. 2.In how many years will ₹8000 earn ₹800 simple interest at 2% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
3. 3.What is the simple interest on ₹9500 at 4% per year for 5 years? (a) ₹1900 (b) ₹11400 (c) ₹380 (d) ₹2280
4. 4.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3920 (b) ₹315 (c) ₹3815 (d) ₹3605
5. 5.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹255 (b) ₹9775 (c) ₹1530 (d) ₹1275
6. 6.₹7000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹8120 (b) ₹8680 (c) ₹7560 (d) ₹1120
7. 7.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 20%
8. 8.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
9. 9.The simple interest on ₹5000 for 3 years is ₹600. What is the rate per year? (a) 12% (b) 4% (c) 5% (d) 3%
10. 10.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹210 (b) ₹70 (c) ₹3640 (d) ₹140
11. 11.In how many years will ₹2500 earn ₹250 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
12. 12.The simple interest on ₹9500 for 5 years is ₹2850. What is the rate per year? (a) 6% (b) 7% (c) 30% (d) 5%
13. 13.₹9000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹14400 (b) ₹10080 (c) ₹13320 (d) ₹4320
14. 14.What is the simple interest on ₹3500 at 7% per year for 4 years? (a) ₹980 (b) ₹245 (c) ₹1225 (d) ₹4480
15. 15.What is the simple interest on ₹8000 at 10% per year for 4 years? (a) ₹11200 (b) ₹4000 (c) ₹800 (d) ₹3200
16. 16.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 2% (b) 3% (c) 6% (d) 4%
17. 17.In how many years will ₹3000 earn ₹900 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
18. 18.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹3600 (b) ₹120 (c) ₹720 (d) ₹600
19. 19.₹5500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹5775 (b) ₹825 (c) ₹6600 (d) ₹6325
20. 20.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹900 (b) ₹600 (c) ₹300 (d) ₹10600
21. 21.The simple interest on ₹9000 for 2 years is ₹2160. What is the rate per year? (a) 24% (b) 11% (c) 13% (d) 12%
22. 22.What is the simple interest on ₹4500 at 12% per year for 4 years? (a) ₹6660 (b) ₹540 (c) ₹2160 (d) ₹2700
23. 23.What is the simple interest on ₹2500 at 11% per year for 5 years? (a) ₹3875 (b) ₹1375 (c) ₹1650 (d) ₹275
24. 24.₹7000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹420 (b) ₹7140 (c) ₹7420 (d) ₹7560
25. 25.In how many years will ₹9000 earn ₹1260 simple interest at 7% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
26. 26.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6050 (b) ₹5350 (c) ₹5700 (d) ₹700
27. 27.In how many years will ₹1500 earn ₹225 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
28. 28.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹800 (b) ₹1000 (c) ₹3300 (d) ₹200
29. 29.The simple interest on ₹7000 for 3 years is ₹2520. What is the rate per year? (a) 36% (b) 11% (c) 12% (d) 13%
30. 30.What is the simple interest on ₹2000 at 11% per year for 2 years? (a) ₹220 (b) ₹2440 (c) ₹660 (d) ₹440
31. 31.In how many years will ₹2000 earn ₹720 simple interest at 9% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
32. 32.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹60 (b) ₹180 (c) ₹120 (d) ₹2120
33. 33.In how many years will ₹6500 earn ₹2600 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
34. 34.₹2000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹240 (b) ₹2080 (c) ₹2240 (d) ₹2320
35. 35.In how many years will ₹6500 earn ₹260 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
36. 36.The simple interest on ₹1000 for 2 years is ₹160. What is the rate per year? (a) 7% (b) 8% (c) 16% (d) 9%
37. 37.What is the simple interest on ₹8500 at 5% per year for 2 years? (a) ₹425 (b) ₹850 (c) ₹9350 (d) ₹1275
38. 38.The simple interest on ₹5000 for 4 years is ₹2400. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 48%
39. 39.The simple interest on ₹8500 for 4 years is ₹4080. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 48%
40. 40.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹1300 (c) ₹1100 (d) ₹1400

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