Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 887 · 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 4 years is ₹960. What is the rate per year? (a) 7% (b) 6% (c) 24% (d) 5%
2. 2.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 6% (c) 3% (d) 2%
3. 3.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹525 (b) ₹175 (c) ₹350 (d) ₹3850
4. 4.₹6000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1080 (b) ₹7620 (c) ₹7080 (d) ₹6540
5. 5.₹7500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹12450 (b) ₹4125 (c) ₹11625 (d) ₹8325
6. 6.₹9000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹9540 (b) ₹2700 (c) ₹12240 (d) ₹11700
7. 7.In how many years will ₹4500 earn ₹2700 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
8. 8.The simple interest on ₹5500 for 4 years is ₹660. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 12%
9. 9.The simple interest on ₹3000 for 2 years is ₹660. What is the rate per year? (a) 11% (b) 10% (c) 22% (d) 12%
10. 10.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 4% (b) 5% (c) 20% (d) 6%
11. 11.₹1500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1680 (b) ₹540 (c) ₹2220 (d) ₹2040
12. 12.₹2500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹3000 (b) ₹2600 (c) ₹2900 (d) ₹400
13. 13.What is the simple interest on ₹9500 at 2% per year for 4 years? (a) ₹10260 (b) ₹190 (c) ₹950 (d) ₹760
14. 14.What is the simple interest on ₹5000 at 4% per year for 4 years? (a) ₹800 (b) ₹5800 (c) ₹1000 (d) ₹200
15. 15.The simple interest on ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 11% (b) 12% (c) 24% (d) 13%
16. 16.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2080 (b) ₹320 (c) ₹2400 (d) ₹2320
17. 17.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹900 (b) ₹10800 (c) ₹1800 (d) ₹2700
18. 18.The simple interest on ₹8500 for 3 years is ₹3060. What is the rate per year? (a) 12% (b) 13% (c) 36% (d) 11%
19. 19.What is the simple interest on ₹1000 at 12% per year for 5 years? (a) ₹1600 (b) ₹720 (c) ₹120 (d) ₹600
20. 20.In how many years will ₹2500 earn ₹1000 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
21. 21.₹2000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2040 (b) ₹2240 (c) ₹200 (d) ₹2200
22. 22.What is the simple interest on ₹6500 at 6% per year for 5 years? (a) ₹2340 (b) ₹1950 (c) ₹390 (d) ₹8450
23. 23.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹9880 (b) ₹1140 (c) ₹10640 (d) ₹11020
24. 24.The simple interest on ₹2000 for 3 years is ₹660. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 33%
25. 25.The simple interest on ₹4000 for 3 years is ₹1200. What is the rate per year? (a) 11% (b) 30% (c) 9% (d) 10%
26. 26.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹3360 (b) ₹120 (c) ₹360 (d) ₹480
27. 27.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹3240 (c) ₹3120 (d) ₹3360
28. 28.In how many years will ₹8000 earn ₹640 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
29. 29.₹3500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹4200 (b) ₹3675 (c) ₹4375 (d) ₹700
30. 30.The simple interest on ₹8000 for 2 years is ₹1600. What is the rate per year? (a) 20% (b) 9% (c) 10% (d) 11%
31. 31.In how many years will ₹7000 earn ₹1680 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
32. 32.The simple interest on ₹4000 for 5 years is ₹800. What is the rate per year? (a) 3% (b) 20% (c) 5% (d) 4%
33. 33.The simple interest on ₹1500 for 2 years is ₹150. What is the rate per year? (a) 10% (b) 6% (c) 4% (d) 5%
34. 34.What is the simple interest on ₹5500 at 12% per year for 3 years? (a) ₹7480 (b) ₹1980 (c) ₹660 (d) ₹2640
35. 35.What is the simple interest on ₹9500 at 12% per year for 3 years? (a) ₹3420 (b) ₹4560 (c) ₹12920 (d) ₹1140
36. 36.What is the simple interest on ₹7000 at 4% per year for 5 years? (a) ₹1680 (b) ₹280 (c) ₹8400 (d) ₹1400
37. 37.₹3500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹4480 (b) ₹3745 (c) ₹735 (d) ₹4235
38. 38.₹5500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹6875 (b) ₹7150 (c) ₹1375 (d) ₹5775
39. 39.What is the simple interest on ₹5000 at 3% per year for 3 years? (a) ₹150 (b) ₹450 (c) ₹5450 (d) ₹600
40. 40.What is the simple interest on ₹3000 at 10% per year for 4 years? (a) ₹4200 (b) ₹300 (c) ₹1200 (d) ₹1500

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