Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 284 · 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 ₹3000 for 2 years is ₹240. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
2. 2.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹135 (b) ₹1590 (c) ₹90 (d) ₹45
3. 3.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 4%
4. 4.₹1000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹160 (b) ₹1080 (c) ₹1240 (d) ₹1160
5. 5.₹2500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2700 (b) ₹1000 (c) ₹3500 (d) ₹3700
6. 6.In how many years will ₹7500 earn ₹900 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
7. 7.₹1000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1030 (b) ₹1150 (c) ₹1120 (d) ₹120
8. 8.₹3500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3780 (b) ₹5180 (c) ₹4900 (d) ₹1400
9. 9.What is the simple interest on ₹1000 at 6% per year for 3 years? (a) ₹240 (b) ₹1180 (c) ₹180 (d) ₹60
10. 10.What is the simple interest on ₹7500 at 7% per year for 2 years? (a) ₹525 (b) ₹8550 (c) ₹1050 (d) ₹1575
11. 11.The simple interest on ₹8000 for 2 years is ₹800. What is the rate per year? (a) 10% (b) 6% (c) 5% (d) 4%
12. 12.What is the simple interest on ₹6000 at 12% per year for 5 years? (a) ₹3600 (b) ₹4320 (c) ₹9600 (d) ₹720
13. 13.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹250 (c) ₹2550 (d) ₹2750
14. 14.In how many years will ₹4500 earn ₹675 simple interest at 3% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
15. 15.The simple interest on ₹8000 for 2 years is ₹320. What is the rate per year? (a) 1% (b) 4% (c) 2% (d) 3%
16. 16.In how many years will ₹5500 earn ₹550 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
17. 17.₹8000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1760 (b) ₹10640 (c) ₹8880 (d) ₹9760
18. 18.In how many years will ₹9000 earn ₹1800 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
19. 19.The simple interest on ₹6000 for 2 years is ₹720. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 12%
20. 20.₹5500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1320 (b) ₹5830 (c) ₹7150 (d) ₹6820
21. 21.₹9000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹9900 (b) ₹2700 (c) ₹12600 (d) ₹11700
22. 22.The simple interest on ₹5500 for 2 years is ₹990. What is the rate per year? (a) 10% (b) 8% (c) 18% (d) 9%
23. 23.What is the simple interest on ₹3500 at 6% per year for 4 years? (a) ₹840 (b) ₹4340 (c) ₹210 (d) ₹1050
24. 24.₹9500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹10070 (b) ₹1140 (c) ₹10640 (d) ₹11210
25. 25.The simple interest on ₹8000 for 2 years is ₹960. What is the rate per year? (a) 7% (b) 5% (c) 12% (d) 6%
26. 26.In how many years will ₹3000 earn ₹180 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
27. 27.₹2500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4000 (b) ₹2800 (c) ₹3700 (d) ₹1200
28. 28.What is the simple interest on ₹8000 at 4% per year for 4 years? (a) ₹320 (b) ₹1600 (c) ₹1280 (d) ₹9280
29. 29.₹3000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3090 (b) ₹3450 (c) ₹3360 (d) ₹360
30. 30.What is the simple interest on ₹9000 at 2% per year for 5 years? (a) ₹1080 (b) ₹180 (c) ₹900 (d) ₹9900
31. 31.₹7500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10200 (b) ₹2025 (c) ₹8175 (d) ₹9525
32. 32.The simple interest on ₹9500 for 3 years is ₹1140. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
33. 33.What is the simple interest on ₹9500 at 12% per year for 5 years? (a) ₹15200 (b) ₹1140 (c) ₹5700 (d) ₹6840
34. 34.₹4500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹5850 (b) ₹4950 (c) ₹6300 (d) ₹1350
35. 35.₹6500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹9100 (b) ₹7020 (c) ₹2080 (d) ₹8580
36. 36.In how many years will ₹1500 earn ₹375 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
37. 37.The simple interest on ₹5000 for 5 years is ₹1000. What is the rate per year? (a) 20% (b) 4% (c) 3% (d) 5%
38. 38.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹3750 (b) ₹150 (c) ₹900 (d) ₹750
39. 39.In how many years will ₹2500 earn ₹625 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
40. 40.₹1500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹600 (b) ₹1620 (c) ₹2100 (d) ₹2220

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