Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 773 · 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 8% per year simple interest. What is the amount after 3 years? (a) ₹840 (b) ₹4620 (c) ₹4340 (d) ₹3780
2. 2.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 2% (b) 1% (c) 4% (d) 3%
3. 3.₹9000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3240 (b) ₹9810 (c) ₹13050 (d) ₹12240
4. 4.₹4000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹320 (b) ₹4160 (c) ₹4480 (d) ₹4320
5. 5.In how many years will ₹8500 earn ₹2550 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
6. 6.What is the simple interest on ₹2500 at 10% per year for 2 years? (a) ₹3000 (b) ₹750 (c) ₹250 (d) ₹500
7. 7.What is the simple interest on ₹2500 at 9% per year for 3 years? (a) ₹225 (b) ₹3175 (c) ₹675 (d) ₹900
8. 8.What is the simple interest on ₹6500 at 3% per year for 4 years? (a) ₹7280 (b) ₹195 (c) ₹975 (d) ₹780
9. 9.The simple interest on ₹7000 for 3 years is ₹1680. What is the rate per year? (a) 24% (b) 7% (c) 8% (d) 9%
10. 10.The simple interest on ₹7500 for 2 years is ₹900. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 12%
11. 11.₹8500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2380 (b) ₹11475 (c) ₹9095 (d) ₹10880
12. 12.What is the simple interest on ₹3000 at 6% per year for 5 years? (a) ₹3900 (b) ₹1080 (c) ₹180 (d) ₹900
13. 13.What is the simple interest on ₹4000 at 9% per year for 3 years? (a) ₹5080 (b) ₹1440 (c) ₹360 (d) ₹1080
14. 14.In how many years will ₹6500 earn ₹1040 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
15. 15.The simple interest on ₹6000 for 5 years is ₹2400. What is the rate per year? (a) 40% (b) 9% (c) 7% (d) 8%
16. 16.What is the simple interest on ₹1000 at 2% per year for 5 years? (a) ₹20 (b) ₹1100 (c) ₹100 (d) ₹120
17. 17.₹3500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3675 (b) ₹4025 (c) ₹350 (d) ₹3850
18. 18.What is the simple interest on ₹10000 at 5% per year for 3 years? (a) ₹2000 (b) ₹500 (c) ₹11500 (d) ₹1500
19. 19.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹4440 (c) ₹3360 (d) ₹4080
20. 20.What is the simple interest on ₹9500 at 5% per year for 3 years? (a) ₹10925 (b) ₹1900 (c) ₹1425 (d) ₹475
21. 21.What is the simple interest on ₹5000 at 4% per year for 4 years? (a) ₹1000 (b) ₹200 (c) ₹5800 (d) ₹800
22. 22.What is the simple interest on ₹10000 at 6% per year for 2 years? (a) ₹1800 (b) ₹600 (c) ₹1200 (d) ₹11200
23. 23.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹250 (b) ₹750 (c) ₹3250 (d) ₹1000
24. 24.What is the simple interest on ₹3000 at 11% per year for 4 years? (a) ₹4320 (b) ₹1650 (c) ₹330 (d) ₹1320
25. 25.₹5000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹5200 (b) ₹5800 (c) ₹6000 (d) ₹800
26. 26.The simple interest on ₹8000 for 2 years is ₹320. What is the rate per year? (a) 3% (b) 4% (c) 1% (d) 2%
27. 27.₹7000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1680 (b) ₹7420 (c) ₹9100 (d) ₹8680
28. 28.What is the simple interest on ₹8000 at 8% per year for 3 years? (a) ₹2560 (b) ₹9920 (c) ₹640 (d) ₹1920
29. 29.The simple interest on ₹9500 for 2 years is ₹1140. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 12%
30. 30.₹4000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹4320 (b) ₹4640 (c) ₹640 (d) ₹4960
31. 31.In how many years will ₹1000 earn ₹250 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
32. 32.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹275 (b) ₹3600 (c) ₹1100 (d) ₹1375
33. 33.What is the simple interest on ₹4500 at 8% per year for 3 years? (a) ₹1440 (b) ₹5580 (c) ₹360 (d) ₹1080
34. 34.What is the simple interest on ₹2500 at 12% per year for 5 years? (a) ₹4000 (b) ₹1800 (c) ₹1500 (d) ₹300
35. 35.In how many years will ₹9500 earn ₹2850 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
36. 36.In how many years will ₹5000 earn ₹400 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
37. 37.What is the simple interest on ₹3500 at 2% per year for 4 years? (a) ₹70 (b) ₹3780 (c) ₹280 (d) ₹350
38. 38.What is the simple interest on ₹4000 at 5% per year for 5 years? (a) ₹1200 (b) ₹200 (c) ₹5000 (d) ₹1000
39. 39.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹640 (b) ₹9280 (c) ₹1920 (d) ₹1280
40. 40.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 3% (b) 4% (c) 12% (d) 2%

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