Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 972 · 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 ₹8000 at 2% per year for 5 years? (a) ₹800 (b) ₹960 (c) ₹8800 (d) ₹160
2. 2.In how many years will ₹2500 earn ₹200 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
3. 3.₹8500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹11900 (b) ₹11050 (c) ₹9350 (d) ₹2550
4. 4.The simple interest on ₹9000 for 3 years is ₹2970. What is the rate per year? (a) 12% (b) 33% (c) 10% (d) 11%
5. 5.What is the simple interest on ₹5000 at 9% per year for 5 years? (a) ₹450 (b) ₹2700 (c) ₹2250 (d) ₹7250
6. 6.In how many years will ₹1000 earn ₹90 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
7. 7.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹420 (b) ₹210 (c) ₹3420 (d) ₹630
8. 8.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
9. 9.In how many years will ₹1000 earn ₹360 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
10. 10.In how many years will ₹3500 earn ₹1925 simple interest at 11% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
11. 11.The simple interest on ₹5000 for 5 years is ₹500. What is the rate per year? (a) 10% (b) 3% (c) 1% (d) 2%
12. 12.₹3000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹420 (b) ₹3420 (c) ₹3630 (d) ₹3210
13. 13.In how many years will ₹6000 earn ₹2700 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
14. 14.In how many years will ₹3000 earn ₹900 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
15. 15.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹105 (b) ₹420 (c) ₹525 (d) ₹3920
16. 16.₹2000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹280 (b) ₹2280 (c) ₹2140 (d) ₹2420
17. 17.What is the simple interest on ₹5500 at 3% per year for 5 years? (a) ₹6325 (b) ₹990 (c) ₹165 (d) ₹825
18. 18.In how many years will ₹4000 earn ₹800 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
19. 19.₹4000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹800 (b) ₹4800 (c) ₹4160 (d) ₹4960
20. 20.What is the simple interest on ₹6500 at 9% per year for 5 years? (a) ₹2925 (b) ₹3510 (c) ₹9425 (d) ₹585
21. 21.The simple interest on ₹3000 for 2 years is ₹420. What is the rate per year? (a) 8% (b) 14% (c) 6% (d) 7%
22. 22.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 1%
23. 23.In how many years will ₹2500 earn ₹1125 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
24. 24.What is the simple interest on ₹1500 at 10% per year for 3 years? (a) ₹150 (b) ₹1950 (c) ₹450 (d) ₹600
25. 25.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹600 (b) ₹1800 (c) ₹1200 (d) ₹8700
26. 26.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹540 (b) ₹7080 (c) ₹1080 (d) ₹1620
27. 27.₹1000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1550 (b) ₹440 (c) ₹1440 (d) ₹1110
28. 28.₹4000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹5120 (b) ₹4840 (c) ₹840 (d) ₹4280
29. 29.₹7500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹7650 (b) ₹8400 (c) ₹750 (d) ₹8250
30. 30.₹7000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹7840 (b) ₹630 (c) ₹7630 (d) ₹7210
31. 31.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 4% (b) 3% (c) 1% (d) 2%
32. 32.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
33. 33.In how many years will ₹9500 earn ₹760 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
34. 34.In how many years will ₹9000 earn ₹1080 simple interest at 3% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
35. 35.What is the simple interest on ₹5500 at 12% per year for 4 years? (a) ₹660 (b) ₹2640 (c) ₹8140 (d) ₹3300
36. 36.What is the simple interest on ₹2500 at 11% per year for 5 years? (a) ₹1375 (b) ₹1650 (c) ₹3875 (d) ₹275
37. 37.The simple interest on ₹2500 for 4 years is ₹1100. What is the rate per year? (a) 10% (b) 11% (c) 44% (d) 12%
38. 38.The simple interest on ₹8500 for 3 years is ₹2040. What is the rate per year? (a) 9% (b) 24% (c) 8% (d) 7%
39. 39.What is the simple interest on ₹1000 at 3% per year for 3 years? (a) ₹1090 (b) ₹30 (c) ₹90 (d) ₹120
40. 40.In how many years will ₹9000 earn ₹3600 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years

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