Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 459 · 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.₹6500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹780 (b) ₹7540 (c) ₹6760 (d) ₹7280
2. 2.What is the simple interest on ₹9500 at 6% per year for 3 years? (a) ₹1710 (b) ₹11210 (c) ₹2280 (d) ₹570
3. 3.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹320 (b) ₹400 (c) ₹1320 (d) ₹80
4. 4.₹5000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1800 (b) ₹5450 (c) ₹7250 (d) ₹6800
5. 5.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
6. 6.The simple interest on ₹2000 for 2 years is ₹120. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
7. 7.₹5500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1540 (b) ₹7040 (c) ₹5885 (d) ₹7425
8. 8.The simple interest on ₹1500 for 3 years is ₹405. What is the rate per year? (a) 9% (b) 8% (c) 27% (d) 10%
9. 9.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹1140 (b) ₹190 (c) ₹10450 (d) ₹950
10. 10.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2040 (b) ₹11050 (c) ₹9010 (d) ₹10540
11. 11.₹9000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹11250 (b) ₹9450 (c) ₹2250 (d) ₹11700
12. 12.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹90 (b) ₹270 (c) ₹3270 (d) ₹360
13. 13.What is the simple interest on ₹8000 at 7% per year for 2 years? (a) ₹9120 (b) ₹560 (c) ₹1680 (d) ₹1120
14. 14.In how many years will ₹3500 earn ₹980 simple interest at 7% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
15. 15.What is the simple interest on ₹4000 at 8% per year for 2 years? (a) ₹4640 (b) ₹640 (c) ₹960 (d) ₹320
16. 16.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 4% (b) 10% (c) 6% (d) 5%
17. 17.In how many years will ₹4000 earn ₹1080 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
18. 18.In how many years will ₹6500 earn ₹650 simple interest at 5% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
19. 19.₹7000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹10360 (b) ₹11200 (c) ₹3360 (d) ₹7840
20. 20.₹9500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹11780 (b) ₹11020 (c) ₹1520 (d) ₹10260
21. 21.₹6000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1620 (b) ₹8160 (c) ₹6540 (d) ₹7620
22. 22.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 1% (b) 3% (c) 4% (d) 2%
23. 23.In how many years will ₹8000 earn ₹480 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
24. 24.What is the simple interest on ₹8000 at 5% per year for 5 years? (a) ₹2400 (b) ₹2000 (c) ₹400 (d) ₹10000
25. 25.The simple interest on ₹7000 for 5 years is ₹2800. What is the rate per year? (a) 40% (b) 7% (c) 8% (d) 9%
26. 26.In how many years will ₹7000 earn ₹420 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
27. 27.In how many years will ₹8000 earn ₹3600 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
28. 28.What is the simple interest on ₹8500 at 4% per year for 4 years? (a) ₹1360 (b) ₹1700 (c) ₹340 (d) ₹9860
29. 29.The simple interest on ₹9000 for 5 years is ₹2250. What is the rate per year? (a) 25% (b) 6% (c) 5% (d) 4%
30. 30.In how many years will ₹9500 earn ₹1140 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
31. 31.The simple interest on ₹5000 for 5 years is ₹1750. What is the rate per year? (a) 7% (b) 8% (c) 35% (d) 6%
32. 32.₹6000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7980 (b) ₹1320 (c) ₹6660 (d) ₹7320
33. 33.The simple interest on ₹2500 for 3 years is ₹750. What is the rate per year? (a) 11% (b) 10% (c) 30% (d) 9%
34. 34.In how many years will ₹8500 earn ₹2295 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
35. 35.₹4500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹4995 (b) ₹1980 (c) ₹6975 (d) ₹6480
36. 36.The simple interest on ₹5500 for 3 years is ₹1155. What is the rate per year? (a) 21% (b) 6% (c) 8% (d) 7%
37. 37.The simple interest on ₹3500 for 2 years is ₹630. What is the rate per year? (a) 18% (b) 9% (c) 10% (d) 8%
38. 38.The simple interest on ₹10000 for 2 years is ₹800. What is the rate per year? (a) 4% (b) 3% (c) 8% (d) 5%
39. 39.₹2500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2775 (b) ₹3325 (c) ₹3050 (d) ₹550
40. 40.₹1500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1800 (b) ₹1650 (c) ₹300 (d) ₹1950

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