Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 393 · 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.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹600 (b) ₹300 (c) ₹10600 (d) ₹900
2. 2.The simple interest on ₹7000 for 2 years is ₹1540. What is the rate per year? (a) 11% (b) 22% (c) 12% (d) 10%
3. 3.In how many years will ₹8500 earn ₹2040 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
4. 4.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹900 (b) ₹1080 (c) ₹180 (d) ₹2900
5. 5.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹2850 (b) ₹525 (c) ₹175 (d) ₹350
6. 6.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 55% (b) 10% (c) 11% (d) 12%
7. 7.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3090 (b) ₹3270 (c) ₹3180 (d) ₹180
8. 8.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 24%
9. 9.What is the simple interest on ₹3500 at 6% per year for 4 years? (a) ₹210 (b) ₹1050 (c) ₹840 (d) ₹4340
10. 10.₹1000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1050 (b) ₹1150 (c) ₹100 (d) ₹1100
11. 11.₹7000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10150 (b) ₹7630 (c) ₹9520 (d) ₹2520
12. 12.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
13. 13.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹380 (b) ₹10260 (c) ₹760 (d) ₹1140
14. 14.₹4000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹800 (b) ₹4200 (c) ₹5000 (d) ₹4800
15. 15.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹9350 (b) ₹9180 (c) ₹8670 (d) ₹680
16. 16.In how many years will ₹5000 earn ₹900 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
17. 17.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹2550 (b) ₹425 (c) ₹2125 (d) ₹10625
18. 18.What is the simple interest on ₹10000 at 7% per year for 4 years? (a) ₹12800 (b) ₹700 (c) ₹2800 (d) ₹3500
19. 19.In how many years will ₹4000 earn ₹240 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
20. 20.In how many years will ₹6000 earn ₹480 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
21. 21.What is the simple interest on ₹9500 at 6% per year for 2 years? (a) ₹10640 (b) ₹570 (c) ₹1140 (d) ₹1710
22. 22.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹8250 (b) ₹550 (c) ₹3300 (d) ₹2750
23. 23.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6890 (b) ₹6630 (c) ₹7020 (d) ₹390
24. 24.The simple interest on ₹5500 for 5 years is ₹2750. What is the rate per year? (a) 50% (b) 11% (c) 10% (d) 9%
25. 25.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹3625 (b) ₹1350 (c) ₹1125 (d) ₹225
26. 26.In how many years will ₹9500 earn ₹3135 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
27. 27.In how many years will ₹2500 earn ₹500 simple interest at 5% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
28. 28.What is the simple interest on ₹7500 at 2% per year for 3 years? (a) ₹150 (b) ₹450 (c) ₹600 (d) ₹7950
29. 29.What is the simple interest on ₹3000 at 10% per year for 2 years? (a) ₹3600 (b) ₹300 (c) ₹900 (d) ₹600
30. 30.What is the simple interest on ₹8500 at 6% per year for 2 years? (a) ₹9520 (b) ₹510 (c) ₹1530 (d) ₹1020
31. 31.In how many years will ₹6000 earn ₹240 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
32. 32.₹7500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1125 (b) ₹7725 (c) ₹8850 (d) ₹8625
33. 33.In how many years will ₹10000 earn ₹2400 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
34. 34.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹250 (b) ₹2550 (c) ₹2750 (d) ₹2800
35. 35.In how many years will ₹2500 earn ₹200 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
36. 36.In how many years will ₹5000 earn ₹1500 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
37. 37.₹9500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹10260 (b) ₹11020 (c) ₹11780 (d) ₹1520
38. 38.The simple interest on ₹7500 for 2 years is ₹1200. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 16%
39. 39.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹7650 (c) ₹7950 (d) ₹7800
40. 40.The simple interest on ₹5500 for 4 years is ₹2420. What is the rate per year? (a) 44% (b) 12% (c) 11% (d) 10%

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