Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 549 · 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.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
2. 2.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹60 (b) ₹180 (c) ₹240 (d) ₹1680
3. 3.The simple interest on ₹5000 for 5 years is ₹1000. What is the rate per year? (a) 4% (b) 5% (c) 20% (d) 3%
4. 4.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 6% (b) 3% (c) 4% (d) 2%
5. 5.What is the simple interest on ₹8500 at 10% per year for 2 years? (a) ₹1700 (b) ₹2550 (c) ₹10200 (d) ₹850
6. 6.The simple interest on ₹5500 for 5 years is ₹1100. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 20%
7. 7.The simple interest on ₹1500 for 5 years is ₹675. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
8. 8.What is the simple interest on ₹4000 at 7% per year for 4 years? (a) ₹1120 (b) ₹280 (c) ₹1400 (d) ₹5120
9. 9.The simple interest on ₹8000 for 4 years is ₹1920. What is the rate per year? (a) 5% (b) 6% (c) 24% (d) 7%
10. 10.₹8500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹9350 (b) ₹8925 (c) ₹9775 (d) ₹850
11. 11.What is the simple interest on ₹6000 at 9% per year for 4 years? (a) ₹540 (b) ₹8160 (c) ₹2160 (d) ₹2700
12. 12.In how many years will ₹2500 earn ₹1375 simple interest at 11% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
13. 13.In how many years will ₹7500 earn ₹2025 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
14. 14.In how many years will ₹10000 earn ₹3000 simple interest at 10% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
15. 15.₹3500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3850 (b) ₹4550 (c) ₹4200 (d) ₹700
16. 16.What is the simple interest on ₹5500 at 10% per year for 4 years? (a) ₹2750 (b) ₹7700 (c) ₹2200 (d) ₹550
17. 17.The simple interest on ₹6500 for 4 years is ₹1820. What is the rate per year? (a) 8% (b) 28% (c) 7% (d) 6%
18. 18.What is the simple interest on ₹6000 at 2% per year for 3 years? (a) ₹480 (b) ₹360 (c) ₹6360 (d) ₹120
19. 19.₹3500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3570 (b) ₹210 (c) ₹3780 (d) ₹3710
20. 20.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹140 (b) ₹280 (c) ₹3780 (d) ₹420
21. 21.The simple interest on ₹6500 for 3 years is ₹1170. What is the rate per year? (a) 18% (b) 7% (c) 6% (d) 5%
22. 22.The simple interest on ₹1000 for 2 years is ₹120. What is the rate per year? (a) 5% (b) 12% (c) 7% (d) 6%
23. 23.₹5500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹7150 (b) ₹7480 (c) ₹1650 (d) ₹5830
24. 24.₹5000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹6650 (b) ₹5550 (c) ₹1650 (d) ₹7200
25. 25.₹4500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1620 (b) ₹6660 (c) ₹5040 (d) ₹6120
26. 26.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹360 (b) ₹60 (c) ₹300 (d) ₹1800
27. 27.The simple interest on ₹3500 for 5 years is ₹1225. What is the rate per year? (a) 6% (b) 7% (c) 35% (d) 8%
28. 28.The simple interest on ₹1000 for 5 years is ₹500. What is the rate per year? (a) 50% (b) 10% (c) 9% (d) 11%
29. 29.The simple interest on ₹9500 for 5 years is ₹950. What is the rate per year? (a) 2% (b) 3% (c) 10% (d) 1%
30. 30.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
31. 31.The simple interest on ₹2000 for 4 years is ₹240. What is the rate per year? (a) 2% (b) 4% (c) 12% (d) 3%
32. 32.The simple interest on ₹4500 for 2 years is ₹630. What is the rate per year? (a) 14% (b) 7% (c) 8% (d) 6%
33. 33.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹90 (b) ₹270 (c) ₹4770 (d) ₹360
34. 34.In how many years will ₹8000 earn ₹1920 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
35. 35.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹440 (b) ₹4880 (c) ₹880 (d) ₹1320
36. 36.₹6500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6955 (b) ₹7865 (c) ₹910 (d) ₹7410
37. 37.₹10000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹11500 (b) ₹1500 (c) ₹12000 (d) ₹10500
38. 38.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹750 (b) ₹3900 (c) ₹3150 (d) ₹3750
39. 39.The simple interest on ₹3500 for 4 years is ₹1680. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 48%
40. 40.What is the simple interest on ₹3500 at 12% per year for 3 years? (a) ₹4760 (b) ₹420 (c) ₹1680 (d) ₹1260

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