Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 883 · 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.₹3500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹3745 (b) ₹4725 (c) ₹4970 (d) ₹1225
2. 2.In how many years will ₹4500 earn ₹1440 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
3. 3.The simple interest on ₹6500 for 3 years is ₹975. What is the rate per year? (a) 5% (b) 6% (c) 15% (d) 4%
4. 4.In how many years will ₹1000 earn ₹150 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
5. 5.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹720 (b) ₹540 (c) ₹9540 (d) ₹180
6. 6.What is the simple interest on ₹9000 at 8% per year for 4 years? (a) ₹11880 (b) ₹720 (c) ₹3600 (d) ₹2880
7. 7.What is the simple interest on ₹6000 at 2% per year for 3 years? (a) ₹360 (b) ₹120 (c) ₹6360 (d) ₹480
8. 8.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹2750 (b) ₹125 (c) ₹375 (d) ₹250
9. 9.In how many years will ₹6500 earn ₹2600 simple interest at 8% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
10. 10.₹10000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹3000 (b) ₹10600 (c) ₹13000 (d) ₹13600
11. 11.₹1500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1620 (b) ₹2220 (c) ₹600 (d) ₹2100
12. 12.What is the simple interest on ₹9000 at 9% per year for 5 years? (a) ₹4860 (b) ₹4050 (c) ₹810 (d) ₹13050
13. 13.In how many years will ₹9500 earn ₹4750 simple interest at 10% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
14. 14.In how many years will ₹8000 earn ₹2640 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
15. 15.₹6000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹10320 (b) ₹9600 (c) ₹3600 (d) ₹6720
16. 16.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹3300 (b) ₹550 (c) ₹2750 (d) ₹8250
17. 17.₹6500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10075 (b) ₹7215 (c) ₹2860 (d) ₹9360
18. 18.What is the simple interest on ₹6500 at 4% per year for 5 years? (a) ₹260 (b) ₹1560 (c) ₹7800 (d) ₹1300
19. 19.The simple interest on ₹1500 for 3 years is ₹405. What is the rate per year? (a) 27% (b) 9% (c) 10% (d) 8%
20. 20.The simple interest on ₹4000 for 5 years is ₹1200. What is the rate per year? (a) 30% (b) 6% (c) 5% (d) 7%
21. 21.The simple interest on ₹5500 for 4 years is ₹1320. What is the rate per year? (a) 7% (b) 5% (c) 24% (d) 6%
22. 22.In how many years will ₹5000 earn ₹1500 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
23. 23.What is the simple interest on ₹2000 at 5% per year for 4 years? (a) ₹2400 (b) ₹100 (c) ₹400 (d) ₹500
24. 24.What is the simple interest on ₹9500 at 5% per year for 3 years? (a) ₹475 (b) ₹10925 (c) ₹1425 (d) ₹1900
25. 25.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹385 (b) ₹6270 (c) ₹1155 (d) ₹770
26. 26.What is the simple interest on ₹9000 at 3% per year for 4 years? (a) ₹10080 (b) ₹270 (c) ₹1350 (d) ₹1080
27. 27.What is the simple interest on ₹6000 at 9% per year for 3 years? (a) ₹540 (b) ₹2160 (c) ₹7620 (d) ₹1620
28. 28.The simple interest on ₹1000 for 5 years is ₹250. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 25%
29. 29.₹10000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹14000 (b) ₹10800 (c) ₹13200 (d) ₹3200
30. 30.₹2000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹2480 (c) ₹2360 (d) ₹2120
31. 31.What is the simple interest on ₹8000 at 5% per year for 5 years? (a) ₹10000 (b) ₹2400 (c) ₹2000 (d) ₹400
32. 32.In how many years will ₹6500 earn ₹2145 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
33. 33.The simple interest on ₹2000 for 5 years is ₹900. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 45%
34. 34.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹300 (b) ₹50 (c) ₹250 (d) ₹2750
35. 35.In how many years will ₹2500 earn ₹1500 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
36. 36.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹1200 (b) ₹4800 (c) ₹400 (d) ₹800
37. 37.The simple interest on ₹6500 for 5 years is ₹3250. What is the rate per year? (a) 50% (b) 11% (c) 10% (d) 9%
38. 38.In how many years will ₹5000 earn ₹1000 simple interest at 10% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
39. 39.In how many years will ₹9000 earn ₹3600 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
40. 40.₹7500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1800 (b) ₹8400 (c) ₹10200 (d) ₹9300

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