Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 817 · 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 ₹2400 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
2. 2.₹3500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹4725 (b) ₹4480 (c) ₹980 (d) ₹3745
3. 3.₹7500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹900 (b) ₹7950 (c) ₹8850 (d) ₹8400
4. 4.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹6200 (b) ₹300 (c) ₹1500 (d) ₹1200
5. 5.In how many years will ₹4000 earn ₹360 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
6. 6.In how many years will ₹9500 earn ₹3800 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
7. 7.What is the simple interest on ₹8000 at 12% per year for 2 years? (a) ₹9920 (b) ₹960 (c) ₹2880 (d) ₹1920
8. 8.What is the simple interest on ₹4500 at 4% per year for 2 years? (a) ₹360 (b) ₹540 (c) ₹4860 (d) ₹180
9. 9.In how many years will ₹10000 earn ₹800 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
10. 10.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5665 (b) ₹330 (c) ₹5830 (d) ₹5995
11. 11.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹10800 (b) ₹2700 (c) ₹900 (d) ₹1800
12. 12.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7650 (b) ₹7950 (c) ₹7800 (d) ₹300
13. 13.What is the simple interest on ₹9000 at 4% per year for 3 years? (a) ₹1440 (b) ₹360 (c) ₹1080 (d) ₹10080
14. 14.What is the simple interest on ₹8500 at 11% per year for 3 years? (a) ₹2805 (b) ₹3740 (c) ₹11305 (d) ₹935
15. 15.What is the simple interest on ₹1000 at 4% per year for 3 years? (a) ₹1120 (b) ₹40 (c) ₹120 (d) ₹160
16. 16.In how many years will ₹1000 earn ₹280 simple interest at 7% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
17. 17.What is the simple interest on ₹2000 at 7% per year for 3 years? (a) ₹2420 (b) ₹140 (c) ₹420 (d) ₹560
18. 18.The simple interest on ₹5000 for 2 years is ₹400. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 8%
19. 19.₹2500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3100 (b) ₹500 (c) ₹3000 (d) ₹2600
20. 20.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹700 (b) ₹560 (c) ₹4060 (d) ₹140
21. 21.In how many years will ₹2000 earn ₹720 simple interest at 9% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
22. 22.The simple interest on ₹6000 for 4 years is ₹2400. What is the rate per year? (a) 9% (b) 40% (c) 11% (d) 10%
23. 23.₹1500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹2220 (c) ₹1680 (d) ₹2400
24. 24.In how many years will ₹2500 earn ₹625 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
25. 25.The simple interest on ₹4500 for 5 years is ₹1575. What is the rate per year? (a) 35% (b) 8% (c) 7% (d) 6%
26. 26.In how many years will ₹3000 earn ₹660 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
27. 27.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1740 (b) ₹240 (c) ₹1800 (d) ₹1560
28. 28.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
29. 29.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
30. 30.What is the simple interest on ₹6000 at 5% per year for 4 years? (a) ₹1200 (b) ₹300 (c) ₹1500 (d) ₹7200
31. 31.What is the simple interest on ₹8500 at 2% per year for 5 years? (a) ₹850 (b) ₹9350 (c) ₹170 (d) ₹1020
32. 32.The simple interest on ₹8500 for 2 years is ₹510. What is the rate per year? (a) 6% (b) 4% (c) 3% (d) 2%
33. 33.In how many years will ₹9000 earn ₹2520 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
34. 34.In how many years will ₹9500 earn ₹3040 simple interest at 8% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
35. 35.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
36. 36.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹1125 (b) ₹225 (c) ₹3625 (d) ₹1350
37. 37.₹4500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1260 (b) ₹6075 (c) ₹4815 (d) ₹5760
38. 38.₹6000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2640 (b) ₹6660 (c) ₹8640 (d) ₹9300
39. 39.The simple interest on ₹6000 for 4 years is ₹480. What is the rate per year? (a) 8% (b) 1% (c) 2% (d) 3%
40. 40.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹600 (b) ₹120 (c) ₹3480 (d) ₹480

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