Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 608 · 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 ₹4000 for 5 years is ₹1000. What is the rate per year? (a) 4% (b) 25% (c) 5% (d) 6%
2. 2.₹1500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1635 (b) ₹2175 (c) ₹540 (d) ₹2040
3. 3.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹180 (b) ₹1860 (c) ₹540 (d) ₹360
4. 4.What is the simple interest on ₹6500 at 4% per year for 2 years? (a) ₹260 (b) ₹780 (c) ₹520 (d) ₹7020
5. 5.In how many years will ₹6000 earn ₹1440 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
6. 6.In how many years will ₹7000 earn ₹2240 simple interest at 8% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
7. 7.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹2550 (c) ₹250 (d) ₹2750
8. 8.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7800 (b) ₹600 (c) ₹8400 (d) ₹8100
9. 9.What is the simple interest on ₹5500 at 7% per year for 3 years? (a) ₹385 (b) ₹1540 (c) ₹6655 (d) ₹1155
10. 10.The simple interest on ₹6000 for 2 years is ₹960. What is the rate per year? (a) 16% (b) 7% (c) 8% (d) 9%
11. 11.What is the simple interest on ₹2000 at 9% per year for 4 years? (a) ₹180 (b) ₹2720 (c) ₹720 (d) ₹900
12. 12.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 1% (b) 4% (c) 2% (d) 3%
13. 13.₹9000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹11160 (b) ₹2160 (c) ₹11880 (d) ₹9720
14. 14.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹5830 (b) ₹495 (c) ₹330 (d) ₹165
15. 15.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3120 (b) ₹240 (c) ₹3360 (d) ₹3240
16. 16.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹420 (b) ₹1260 (c) ₹6840 (d) ₹840
17. 17.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹160 (b) ₹80 (c) ₹2160 (d) ₹240
18. 18.The simple interest on ₹9500 for 2 years is ₹570. What is the rate per year? (a) 4% (b) 6% (c) 2% (d) 3%
19. 19.The simple interest on ₹4000 for 3 years is ₹1440. What is the rate per year? (a) 36% (b) 13% (c) 12% (d) 11%
20. 20.The simple interest on ₹8500 for 2 years is ₹1020. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 12%
21. 21.In how many years will ₹5500 earn ₹330 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
22. 22.What is the simple interest on ₹4500 at 12% per year for 5 years? (a) ₹3240 (b) ₹7200 (c) ₹2700 (d) ₹540
23. 23.The simple interest on ₹10000 for 5 years is ₹4500. What is the rate per year? (a) 8% (b) 45% (c) 9% (d) 10%
24. 24.₹2000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2720 (b) ₹2240 (c) ₹480 (d) ₹2480
25. 25.The simple interest on ₹9500 for 4 years is ₹3040. What is the rate per year? (a) 9% (b) 32% (c) 7% (d) 8%
26. 26.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹400 (b) ₹480 (c) ₹80 (d) ₹4400
27. 27.The simple interest on ₹6000 for 3 years is ₹1980. What is the rate per year? (a) 11% (b) 33% (c) 10% (d) 12%
28. 28.The simple interest on ₹2500 for 3 years is ₹900. What is the rate per year? (a) 13% (b) 11% (c) 36% (d) 12%
29. 29.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹6480 (c) ₹6240 (d) ₹6720
30. 30.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹770 (b) ₹3080 (c) ₹9310 (d) ₹2310
31. 31.In how many years will ₹4000 earn ₹640 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
32. 32.In how many years will ₹3000 earn ₹720 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
33. 33.What is the simple interest on ₹10000 at 9% per year for 2 years? (a) ₹11800 (b) ₹900 (c) ₹2700 (d) ₹1800
34. 34.In how many years will ₹8000 earn ₹4400 simple interest at 11% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
35. 35.What is the simple interest on ₹6500 at 8% per year for 5 years? (a) ₹3120 (b) ₹520 (c) ₹2600 (d) ₹9100
36. 36.₹10000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹10700 (b) ₹3500 (c) ₹14200 (d) ₹13500
37. 37.The simple interest on ₹7500 for 4 years is ₹600. What is the rate per year? (a) 8% (b) 2% (c) 3% (d) 1%
38. 38.What is the simple interest on ₹10000 at 5% per year for 4 years? (a) ₹2500 (b) ₹12000 (c) ₹500 (d) ₹2000
39. 39.₹3500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹4235 (b) ₹3745 (c) ₹490 (d) ₹3990
40. 40.₹9000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹13500 (b) ₹9900 (c) ₹12600 (d) ₹3600

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