Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 473 · 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.The simple interest on ₹2000 for 2 years is ₹120. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
2. 2.In how many years will ₹7500 earn ₹450 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
3. 3.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 4% (b) 10% (c) 5% (d) 6%
4. 4.In how many years will ₹4500 earn ₹810 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
5. 5.The simple interest on ₹5500 for 2 years is ₹770. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 14%
6. 6.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹1830 (b) ₹330 (c) ₹165 (d) ₹495
7. 7.What is the simple interest on ₹4000 at 2% per year for 2 years? (a) ₹80 (b) ₹160 (c) ₹4160 (d) ₹240
8. 8.₹5500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹5940 (b) ₹5830 (c) ₹5610 (d) ₹330
9. 9.The simple interest on ₹5000 for 4 years is ₹2400. What is the rate per year? (a) 11% (b) 13% (c) 48% (d) 12%
10. 10.In how many years will ₹5500 earn ₹330 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
11. 11.In how many years will ₹1000 earn ₹180 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
12. 12.In how many years will ₹10000 earn ₹2800 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
13. 13.In how many years will ₹1000 earn ₹140 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
14. 14.What is the simple interest on ₹6000 at 3% per year for 2 years? (a) ₹360 (b) ₹540 (c) ₹180 (d) ₹6360
15. 15.In how many years will ₹3000 earn ₹360 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
16. 16.The simple interest on ₹6000 for 2 years is ₹720. What is the rate per year? (a) 5% (b) 12% (c) 7% (d) 6%
17. 17.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹1060 (b) ₹30 (c) ₹90 (d) ₹60
18. 18.₹4000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹480 (b) ₹4640 (c) ₹4160 (d) ₹4480
19. 19.What is the simple interest on ₹1500 at 5% per year for 2 years? (a) ₹1650 (b) ₹75 (c) ₹225 (d) ₹150
20. 20.In how many years will ₹9500 earn ₹1520 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
21. 21.In how many years will ₹3000 earn ₹360 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
22. 22.The simple interest on ₹1500 for 3 years is ₹540. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 36%
23. 23.₹1000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1100 (b) ₹1150 (c) ₹100 (d) ₹1050
24. 24.What is the simple interest on ₹7000 at 2% per year for 4 years? (a) ₹7560 (b) ₹140 (c) ₹700 (d) ₹560
25. 25.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹60 (b) ₹1530 (c) ₹1590 (d) ₹1560
26. 26.In how many years will ₹2500 earn ₹1250 simple interest at 10% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
27. 27.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
28. 28.In how many years will ₹8000 earn ₹2400 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
29. 29.₹2000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹540 (b) ₹2180 (c) ₹2720 (d) ₹2540
30. 30.₹4500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2475 (b) ₹7470 (c) ₹6975 (d) ₹4995
31. 31.The simple interest on ₹1500 for 3 years is ₹315. What is the rate per year? (a) 21% (b) 6% (c) 7% (d) 8%
32. 32.In how many years will ₹3500 earn ₹1575 simple interest at 9% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
33. 33.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 40% (b) 11% (c) 10% (d) 9%
34. 34.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
35. 35.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 2% (b) 4% (c) 1% (d) 3%
36. 36.The simple interest on ₹5000 for 2 years is ₹800. What is the rate per year? (a) 16% (b) 9% (c) 8% (d) 7%
37. 37.In how many years will ₹7000 earn ₹2450 simple interest at 7% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
38. 38.₹2500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹375 (b) ₹3000 (c) ₹2875 (d) ₹2625
39. 39.₹2000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹480 (b) ₹2600 (c) ₹2120 (d) ₹2480
40. 40.The simple interest on ₹4000 for 5 years is ₹1400. What is the rate per year? (a) 6% (b) 7% (c) 35% (d) 8%

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