Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 914 · 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.₹4500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹7740 (b) ₹2700 (c) ₹5040 (d) ₹7200
2. 2.The simple interest on ₹1500 for 5 years is ₹375. What is the rate per year? (a) 25% (b) 5% (c) 4% (d) 6%
3. 3.The simple interest on ₹1500 for 3 years is ₹90. What is the rate per year? (a) 1% (b) 2% (c) 6% (d) 3%
4. 4.₹1500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1575 (b) ₹1950 (c) ₹375 (d) ₹1875
5. 5.₹1500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹2400 (c) ₹1680 (d) ₹2220
6. 6.The simple interest on ₹3500 for 5 years is ₹1750. What is the rate per year? (a) 50% (b) 9% (c) 11% (d) 10%
7. 7.₹5500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5885 (b) ₹770 (c) ₹6270 (d) ₹6655
8. 8.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹2160 (b) ₹4800 (c) ₹360 (d) ₹1800
9. 9.In how many years will ₹5500 earn ₹880 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
10. 10.₹9000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹11970 (b) ₹10980 (c) ₹9990 (d) ₹1980
11. 11.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹5400 (b) ₹900 (c) ₹1080 (d) ₹180
12. 12.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 5% (b) 6% (c) 10% (d) 4%
13. 13.₹3000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹420 (b) ₹3630 (c) ₹3420 (d) ₹3210
14. 14.The simple interest on ₹3000 for 4 years is ₹960. What is the rate per year? (a) 7% (b) 32% (c) 8% (d) 9%
15. 15.₹9000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9180 (b) ₹360 (c) ₹9540 (d) ₹9360
16. 16.In how many years will ₹6000 earn ₹2400 simple interest at 8% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
17. 17.In how many years will ₹1500 earn ₹825 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
18. 18.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹1275 (b) ₹1020 (c) ₹255 (d) ₹9520
19. 19.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹540 (b) ₹180 (c) ₹360 (d) ₹1860
20. 20.The simple interest on ₹2500 for 5 years is ₹1500. What is the rate per year? (a) 60% (b) 13% (c) 11% (d) 12%
21. 21.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 4%
22. 22.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3815 (b) ₹210 (c) ₹3605 (d) ₹3710
23. 23.In how many years will ₹5000 earn ₹1400 simple interest at 7% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
24. 24.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1040 (b) ₹1020 (c) ₹40 (d) ₹1060
25. 25.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
26. 26.What is the simple interest on ₹4000 at 9% per year for 2 years? (a) ₹4720 (b) ₹360 (c) ₹1080 (d) ₹720
27. 27.In how many years will ₹6000 earn ₹1440 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
28. 28.In how many years will ₹7000 earn ₹980 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
29. 29.₹1500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2175 (b) ₹2310 (c) ₹675 (d) ₹1635
30. 30.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 11% (b) 10% (c) 20% (d) 9%
31. 31.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
32. 32.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 7% (b) 6% (c) 12% (d) 5%
33. 33.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3060 (b) ₹300 (c) ₹3360 (d) ₹3300
34. 34.₹9500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹14060 (b) ₹10260 (c) ₹13300 (d) ₹3800
35. 35.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
36. 36.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹120 (b) ₹1650 (c) ₹1530 (d) ₹1620
37. 37.In how many years will ₹2000 earn ₹1100 simple interest at 11% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
38. 38.₹3500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹420 (b) ₹4130 (c) ₹3710 (d) ₹3920
39. 39.What is the simple interest on ₹7500 at 4% per year for 4 years? (a) ₹1200 (b) ₹8700 (c) ₹1500 (d) ₹300
40. 40.₹6500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7280 (b) ₹780 (c) ₹7540 (d) ₹6760

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