Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 654 · 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.What is the simple interest on ₹9000 at 3% per year for 5 years? (a) ₹1620 (b) ₹1350 (c) ₹270 (d) ₹10350
2. 2.The simple interest on ₹2000 for 2 years is ₹320. What is the rate per year? (a) 7% (b) 9% (c) 16% (d) 8%
3. 3.In how many years will ₹6000 earn ₹1080 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
4. 4.₹2500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹3000 (b) ₹2900 (c) ₹2600 (d) ₹400
5. 5.The simple interest on ₹1000 for 2 years is ₹160. What is the rate per year? (a) 9% (b) 16% (c) 7% (d) 8%
6. 6.₹6500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6630 (b) ₹7280 (c) ₹650 (d) ₹7150
7. 7.₹1500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1680 (b) ₹2040 (c) ₹2220 (d) ₹540
8. 8.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
9. 9.The simple interest on ₹9500 for 5 years is ₹4750. What is the rate per year? (a) 11% (b) 50% (c) 9% (d) 10%
10. 10.₹5500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹8800 (b) ₹3300 (c) ₹6160 (d) ₹9460
11. 11.The simple interest on ₹5500 for 4 years is ₹1980. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 36%
12. 12.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8160 (b) ₹320 (c) ₹8480 (d) ₹8320
13. 13.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹225 (b) ₹180 (c) ₹45 (d) ₹1680
14. 14.What is the simple interest on ₹10000 at 12% per year for 3 years? (a) ₹1200 (b) ₹3600 (c) ₹4800 (d) ₹13600
15. 15.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹400 (b) ₹10400 (c) ₹200 (d) ₹600
16. 16.₹8500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹10540 (b) ₹9520 (c) ₹11560 (d) ₹2040
17. 17.In how many years will ₹8000 earn ₹640 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
18. 18.In how many years will ₹3500 earn ₹350 simple interest at 5% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
19. 19.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹10600 (b) ₹300 (c) ₹600 (d) ₹900
20. 20.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1770 (b) ₹1635 (c) ₹1905 (d) ₹270
21. 21.₹1000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1040 (b) ₹120 (c) ₹1120 (d) ₹1160
22. 22.The simple interest on ₹1000 for 3 years is ₹90. What is the rate per year? (a) 4% (b) 9% (c) 3% (d) 2%
23. 23.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
24. 24.What is the simple interest on ₹4500 at 8% per year for 5 years? (a) ₹360 (b) ₹6300 (c) ₹2160 (d) ₹1800
25. 25.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹700 (b) ₹560 (c) ₹4060 (d) ₹140
26. 26.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹1200 (b) ₹6900 (c) ₹300 (d) ₹900
27. 27.In how many years will ₹8000 earn ₹2000 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
28. 28.₹10000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹13500 (b) ₹14200 (c) ₹3500 (d) ₹10700
29. 29.The simple interest on ₹7000 for 3 years is ₹1470. What is the rate per year? (a) 7% (b) 21% (c) 8% (d) 6%
30. 30.₹3500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹4340 (b) ₹700 (c) ₹3640 (d) ₹4200
31. 31.The simple interest on ₹5000 for 2 years is ₹300. What is the rate per year? (a) 6% (b) 2% (c) 4% (d) 3%
32. 32.The simple interest on ₹7500 for 3 years is ₹450. What is the rate per year? (a) 1% (b) 2% (c) 6% (d) 3%
33. 33.The simple interest on ₹1500 for 2 years is ₹150. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 10%
34. 34.₹1500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1575 (b) ₹1875 (c) ₹300 (d) ₹1800
35. 35.What is the simple interest on ₹2000 at 9% per year for 2 years? (a) ₹540 (b) ₹180 (c) ₹360 (d) ₹2360
36. 36.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹4440 (c) ₹3360 (d) ₹4080
37. 37.In how many years will ₹2000 earn ₹500 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
38. 38.What is the simple interest on ₹7500 at 3% per year for 2 years? (a) ₹225 (b) ₹7950 (c) ₹675 (d) ₹450
39. 39.What is the simple interest on ₹5000 at 4% per year for 4 years? (a) ₹5800 (b) ₹1000 (c) ₹800 (d) ₹200
40. 40.In how many years will ₹9500 earn ₹3800 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years

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