Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 863 · 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 ₹1000 earn ₹270 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
2. 2.In how many years will ₹3500 earn ₹630 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
3. 3.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹9425 (b) ₹8840 (c) ₹2340 (d) ₹7085
4. 4.₹5500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2750 (b) ₹8250 (c) ₹8800 (d) ₹6050
5. 5.What is the simple interest on ₹3000 at 10% per year for 3 years? (a) ₹300 (b) ₹1200 (c) ₹3900 (d) ₹900
6. 6.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹7875 (b) ₹750 (c) ₹8250 (d) ₹8625
7. 7.What is the simple interest on ₹7500 at 11% per year for 2 years? (a) ₹825 (b) ₹2475 (c) ₹9150 (d) ₹1650
8. 8.In how many years will ₹3000 earn ₹600 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
9. 9.The simple interest on ₹2500 for 4 years is ₹1100. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 44%
10. 10.The simple interest on ₹3000 for 3 years is ₹990. What is the rate per year? (a) 11% (b) 33% (c) 10% (d) 12%
11. 11.The simple interest on ₹4500 for 4 years is ₹1440. What is the rate per year? (a) 32% (b) 8% (c) 7% (d) 9%
12. 12.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹270 (b) ₹180 (c) ₹90 (d) ₹4680
13. 13.₹6500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7540 (b) ₹780 (c) ₹6760 (d) ₹7280
14. 14.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹1625 (b) ₹325 (c) ₹1300 (d) ₹7800
15. 15.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹2900 (b) ₹100 (c) ₹400 (d) ₹500
16. 16.The simple interest on ₹5000 for 3 years is ₹600. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 12%
17. 17.₹5000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5300 (b) ₹1500 (c) ₹6500 (d) ₹6800
18. 18.In how many years will ₹4000 earn ₹840 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
19. 19.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
20. 20.What is the simple interest on ₹5000 at 4% per year for 3 years? (a) ₹600 (b) ₹5600 (c) ₹200 (d) ₹800
21. 21.In how many years will ₹10000 earn ₹4000 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
22. 22.In how many years will ₹6500 earn ₹2600 simple interest at 8% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
23. 23.The simple interest on ₹3000 for 3 years is ₹630. What is the rate per year? (a) 7% (b) 21% (c) 8% (d) 6%
24. 24.The simple interest on ₹4500 for 2 years is ₹270. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 6%
25. 25.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹5400 (b) ₹300 (c) ₹5100 (d) ₹5300
26. 26.What is the simple interest on ₹5500 at 8% per year for 5 years? (a) ₹440 (b) ₹7700 (c) ₹2200 (d) ₹2640
27. 27.What is the simple interest on ₹3000 at 2% per year for 2 years? (a) ₹60 (b) ₹3120 (c) ₹180 (d) ₹120
28. 28.₹6500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹6630 (b) ₹7020 (c) ₹520 (d) ₹7150
29. 29.The simple interest on ₹3500 for 2 years is ₹560. What is the rate per year? (a) 9% (b) 16% (c) 7% (d) 8%
30. 30.₹7500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2700 (b) ₹10875 (c) ₹10200 (d) ₹8175
31. 31.What is the simple interest on ₹5000 at 12% per year for 3 years? (a) ₹6800 (b) ₹600 (c) ₹2400 (d) ₹1800
32. 32.In how many years will ₹7000 earn ₹2240 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
33. 33.₹9500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹11210 (b) ₹10070 (c) ₹1710 (d) ₹11780
34. 34.The simple interest on ₹3500 for 5 years is ₹700. What is the rate per year? (a) 3% (b) 20% (c) 5% (d) 4%
35. 35.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹350 (b) ₹175 (c) ₹525 (d) ₹3850
36. 36.The simple interest on ₹7000 for 5 years is ₹2450. What is the rate per year? (a) 35% (b) 7% (c) 6% (d) 8%
37. 37.What is the simple interest on ₹8500 at 2% per year for 3 years? (a) ₹9010 (b) ₹170 (c) ₹510 (d) ₹680
38. 38.What is the simple interest on ₹10000 at 10% per year for 5 years? (a) ₹5000 (b) ₹15000 (c) ₹1000 (d) ₹6000
39. 39.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
40. 40.The simple interest on ₹3500 for 2 years is ₹420. What is the rate per year? (a) 12% (b) 7% (c) 6% (d) 5%

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