Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 439 · 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 ₹7500 earn ₹2475 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
2. 2.The simple interest on ₹7500 for 4 years is ₹3600. What is the rate per year? (a) 48% (b) 11% (c) 13% (d) 12%
3. 3.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 9%
4. 4.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 36% (b) 12% (c) 11% (d) 13%
5. 5.The simple interest on ₹2000 for 3 years is ₹180. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 9%
6. 6.In how many years will ₹8500 earn ₹2040 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
7. 7.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 6%
8. 8.₹2000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹600 (b) ₹2120 (c) ₹2600 (d) ₹2720
9. 9.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹2360 (c) ₹2300 (d) ₹2060
10. 10.₹5500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹7975 (b) ₹2475 (c) ₹5995 (d) ₹8470
11. 11.The simple interest on ₹9000 for 4 years is ₹1080. What is the rate per year? (a) 12% (b) 3% (c) 2% (d) 4%
12. 12.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹390 (b) ₹7020 (c) ₹6630 (d) ₹6890
13. 13.The simple interest on ₹3000 for 5 years is ₹900. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 30%
14. 14.₹9500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹9975 (b) ₹12350 (c) ₹11875 (d) ₹2375
15. 15.The simple interest on ₹7000 for 3 years is ₹2100. What is the rate per year? (a) 30% (b) 11% (c) 9% (d) 10%
16. 16.What is the simple interest on ₹6500 at 7% per year for 3 years? (a) ₹7865 (b) ₹1820 (c) ₹455 (d) ₹1365
17. 17.₹1000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1040 (b) ₹1160 (c) ₹1120 (d) ₹120
18. 18.What is the simple interest on ₹6000 at 7% per year for 5 years? (a) ₹2100 (b) ₹8100 (c) ₹420 (d) ₹2520
19. 19.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹60 (b) ₹1680 (c) ₹180 (d) ₹240
20. 20.The simple interest on ₹3500 for 3 years is ₹210. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 6%
21. 21.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 22% (b) 10% (c) 12% (d) 11%
22. 22.The simple interest on ₹10000 for 4 years is ₹2000. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 20%
23. 23.₹9500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹11780 (b) ₹2280 (c) ₹12350 (d) ₹10070
24. 24.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹900 (b) ₹150 (c) ₹750 (d) ₹8250
25. 25.₹2500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4150 (b) ₹2775 (c) ₹3875 (d) ₹1375
26. 26.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
27. 27.₹7000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹8400 (b) ₹9100 (c) ₹1400 (d) ₹7700
28. 28.₹4500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹5580 (b) ₹4680 (c) ₹5400 (d) ₹900
29. 29.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹935 (b) ₹4675 (c) ₹13175 (d) ₹5610
30. 30.In how many years will ₹2500 earn ₹825 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
31. 31.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹200 (b) ₹50 (c) ₹150 (d) ₹2650
32. 32.The simple interest on ₹6000 for 5 years is ₹3300. What is the rate per year? (a) 10% (b) 12% (c) 55% (d) 11%
33. 33.In how many years will ₹3500 earn ₹840 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
34. 34.What is the simple interest on ₹7500 at 3% per year for 5 years? (a) ₹1125 (b) ₹1350 (c) ₹225 (d) ₹8625
35. 35.₹10000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹10400 (c) ₹11600 (d) ₹11200
36. 36.What is the simple interest on ₹9000 at 4% per year for 2 years? (a) ₹360 (b) ₹720 (c) ₹1080 (d) ₹9720
37. 37.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 4%
38. 38.What is the simple interest on ₹9500 at 5% per year for 2 years? (a) ₹950 (b) ₹1425 (c) ₹475 (d) ₹10450
39. 39.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹390 (b) ₹6890 (c) ₹130 (d) ₹520
40. 40.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹2240 (b) ₹560 (c) ₹8680 (d) ₹1680

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad