Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 274 · 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 2 years is ₹400. What is the rate per year? (a) 4% (b) 5% (c) 10% (d) 6%
2. 2.₹4000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹4400 (b) ₹4800 (c) ₹5200 (d) ₹800
3. 3.₹7500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹8100 (c) ₹9900 (d) ₹2400
4. 4.The simple interest on ₹2500 for 4 years is ₹500. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 20%
5. 5.In how many years will ₹4000 earn ₹640 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
6. 6.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
7. 7.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹9520 (b) ₹340 (c) ₹1360 (d) ₹1020
8. 8.In how many years will ₹1500 earn ₹240 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
9. 9.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹5940 (b) ₹440 (c) ₹110 (d) ₹550
10. 10.What is the simple interest on ₹7500 at 9% per year for 2 years? (a) ₹2025 (b) ₹675 (c) ₹1350 (d) ₹8850
11. 11.What is the simple interest on ₹8000 at 4% per year for 3 years? (a) ₹8960 (b) ₹960 (c) ₹1280 (d) ₹320
12. 12.₹9500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2375 (b) ₹9975 (c) ₹12350 (d) ₹11875
13. 13.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹3850 (b) ₹175 (c) ₹525 (d) ₹350
14. 14.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹840 (b) ₹210 (c) ₹630 (d) ₹7630
15. 15.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹10640 (b) ₹1140 (c) ₹1425 (d) ₹285
16. 16.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹360 (b) ₹3300 (c) ₹60 (d) ₹300
17. 17.The simple interest on ₹8500 for 4 years is ₹2040. What is the rate per year? (a) 6% (b) 5% (c) 24% (d) 7%
18. 18.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 27% (b) 9% (c) 10% (d) 8%
19. 19.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹1170 (b) ₹780 (c) ₹7280 (d) ₹390
20. 20.In how many years will ₹10000 earn ₹2200 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
21. 21.What is the simple interest on ₹6000 at 12% per year for 5 years? (a) ₹720 (b) ₹9600 (c) ₹4320 (d) ₹3600
22. 22.In how many years will ₹7500 earn ₹3000 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
23. 23.What is the simple interest on ₹8500 at 10% per year for 3 years? (a) ₹3400 (b) ₹2550 (c) ₹850 (d) ₹11050
24. 24.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
25. 25.The simple interest on ₹3500 for 3 years is ₹1050. What is the rate per year? (a) 10% (b) 9% (c) 30% (d) 11%
26. 26.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹280 (b) ₹140 (c) ₹3780 (d) ₹420
27. 27.The simple interest on ₹7000 for 5 years is ₹700. What is the rate per year? (a) 2% (b) 1% (c) 10% (d) 3%
28. 28.₹6000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6720 (b) ₹600 (c) ₹6120 (d) ₹6600
29. 29.In how many years will ₹6500 earn ₹1040 simple interest at 8% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
30. 30.What is the simple interest on ₹6000 at 3% per year for 4 years? (a) ₹6720 (b) ₹180 (c) ₹900 (d) ₹720
31. 31.What is the simple interest on ₹9000 at 7% per year for 3 years? (a) ₹1890 (b) ₹630 (c) ₹10890 (d) ₹2520
32. 32.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹1350 (b) ₹9900 (c) ₹450 (d) ₹900
33. 33.What is the simple interest on ₹7000 at 12% per year for 2 years? (a) ₹8680 (b) ₹840 (c) ₹1680 (d) ₹2520
34. 34.The simple interest on ₹6000 for 5 years is ₹900. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 15%
35. 35.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2575 (b) ₹2725 (c) ₹2650 (d) ₹150
36. 36.In how many years will ₹1000 earn ₹270 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
37. 37.The simple interest on ₹4000 for 4 years is ₹1120. What is the rate per year? (a) 8% (b) 6% (c) 28% (d) 7%
38. 38.In how many years will ₹9500 earn ₹2850 simple interest at 6% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
39. 39.What is the simple interest on ₹5000 at 7% per year for 3 years? (a) ₹350 (b) ₹1050 (c) ₹6050 (d) ₹1400
40. 40.The simple interest on ₹8000 for 2 years is ₹1920. What is the rate per year? (a) 12% (b) 11% (c) 24% (d) 13%

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