Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 805 · 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.₹3000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹3990 (b) ₹990 (c) ₹3330 (d) ₹4320
2. 2.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3815 (b) ₹315 (c) ₹3605 (d) ₹3920
3. 3.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹3420 (b) ₹630 (c) ₹420 (d) ₹210
4. 4.₹9500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1140 (b) ₹11210 (c) ₹10640 (d) ₹10070
5. 5.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹800 (b) ₹3300 (c) ₹200 (d) ₹1000
6. 6.What is the simple interest on ₹9000 at 10% per year for 3 years? (a) ₹11700 (b) ₹900 (c) ₹3600 (d) ₹2700
7. 7.What is the simple interest on ₹5500 at 12% per year for 5 years? (a) ₹660 (b) ₹3300 (c) ₹3960 (d) ₹8800
8. 8.What is the simple interest on ₹9000 at 11% per year for 5 years? (a) ₹990 (b) ₹4950 (c) ₹13950 (d) ₹5940
9. 9.The simple interest on ₹6000 for 5 years is ₹1500. What is the rate per year? (a) 25% (b) 5% (c) 4% (d) 6%
10. 10.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 4%
11. 11.What is the simple interest on ₹7000 at 9% per year for 4 years? (a) ₹9520 (b) ₹2520 (c) ₹630 (d) ₹3150
12. 12.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹45 (b) ₹135 (c) ₹1635 (d) ₹180
13. 13.What is the simple interest on ₹1000 at 10% per year for 3 years? (a) ₹400 (b) ₹300 (c) ₹100 (d) ₹1300
14. 14.₹6500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹520 (b) ₹7020 (c) ₹6630 (d) ₹7150
15. 15.In how many years will ₹9500 earn ₹1710 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
16. 16.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7080 (b) ₹720 (c) ₹6360 (d) ₹6720
17. 17.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5830 (b) ₹5995 (c) ₹330 (d) ₹5665
18. 18.The simple interest on ₹7000 for 2 years is ₹1120. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
19. 19.In how many years will ₹10000 earn ₹4500 simple interest at 9% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
20. 20.₹9000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9810 (b) ₹11430 (c) ₹1620 (d) ₹10620
21. 21.The simple interest on ₹2500 for 3 years is ₹525. What is the rate per year? (a) 8% (b) 6% (c) 21% (d) 7%
22. 22.₹3500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3920 (b) ₹350 (c) ₹3850 (d) ₹3570
23. 23.In how many years will ₹1000 earn ₹100 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
24. 24.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
25. 25.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 55%
26. 26.In how many years will ₹6000 earn ₹900 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
27. 27.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹660 (b) ₹330 (c) ₹6160 (d) ₹990
28. 28.In how many years will ₹7000 earn ₹2100 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
29. 29.The simple interest on ₹10000 for 4 years is ₹4800. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 48%
30. 30.In how many years will ₹2500 earn ₹1125 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
31. 31.What is the simple interest on ₹8000 at 12% per year for 2 years? (a) ₹960 (b) ₹1920 (c) ₹9920 (d) ₹2880
32. 32.₹2500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2600 (b) ₹400 (c) ₹2900 (d) ₹3000
33. 33.In how many years will ₹2000 earn ₹720 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
34. 34.₹8000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1280 (b) ₹9280 (c) ₹9600 (d) ₹8320
35. 35.₹9500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹10640 (b) ₹9690 (c) ₹10450 (d) ₹950
36. 36.The simple interest on ₹5500 for 2 years is ₹770. What is the rate per year? (a) 6% (b) 14% (c) 8% (d) 7%
37. 37.The simple interest on ₹7000 for 3 years is ₹630. What is the rate per year? (a) 9% (b) 3% (c) 2% (d) 4%
38. 38.In how many years will ₹2000 earn ₹480 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
39. 39.The simple interest on ₹4500 for 5 years is ₹2250. What is the rate per year? (a) 50% (b) 11% (c) 10% (d) 9%
40. 40.In how many years will ₹9500 earn ₹950 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years

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