Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 511 · 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 11% per year for 2 years? (a) ₹1100 (b) ₹12200 (c) ₹3300 (d) ₹2200
2. 2.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹1800 (b) ₹10800 (c) ₹2700 (d) ₹900
3. 3.The simple interest on ₹9000 for 3 years is ₹540. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 6%
4. 4.₹3000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹3360 (c) ₹3120 (d) ₹3480
5. 5.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹210 (b) ₹3920 (c) ₹630 (d) ₹420
6. 6.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹75 (b) ₹300 (c) ₹2800 (d) ₹375
7. 7.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 2%
8. 8.What is the simple interest on ₹2500 at 11% per year for 2 years? (a) ₹3050 (b) ₹825 (c) ₹275 (d) ₹550
9. 9.The simple interest on ₹7500 for 4 years is ₹600. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 8%
10. 10.What is the simple interest on ₹1000 at 12% per year for 2 years? (a) ₹240 (b) ₹360 (c) ₹120 (d) ₹1240
11. 11.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹200 (b) ₹50 (c) ₹2650 (d) ₹150
12. 12.What is the simple interest on ₹9000 at 5% per year for 3 years? (a) ₹450 (b) ₹10350 (c) ₹1800 (d) ₹1350
13. 13.In how many years will ₹9500 earn ₹760 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
14. 14.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹6600 (b) ₹120 (c) ₹720 (d) ₹600
15. 15.₹7500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1800 (b) ₹9300 (c) ₹7950 (d) ₹9750
16. 16.₹3500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3850 (b) ₹5250 (c) ₹4900 (d) ₹1400
17. 17.The simple interest on ₹10000 for 5 years is ₹4500. What is the rate per year? (a) 45% (b) 9% (c) 8% (d) 10%
18. 18.₹5500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹6105 (b) ₹8525 (c) ₹2420 (d) ₹7920
19. 19.In how many years will ₹1500 earn ₹300 simple interest at 5% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
20. 20.The simple interest on ₹4500 for 3 years is ₹810. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 18%
21. 21.₹9000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9180 (b) ₹540 (c) ₹9540 (d) ₹9720
22. 22.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
23. 23.₹8500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹14110 (b) ₹13175 (c) ₹4675 (d) ₹9435
24. 24.The simple interest on ₹1000 for 4 years is ₹240. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 24%
25. 25.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
26. 26.In how many years will ₹1000 earn ₹360 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
27. 27.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹480 (b) ₹3480 (c) ₹600 (d) ₹120
28. 28.₹3000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4080 (b) ₹810 (c) ₹3810 (d) ₹3270
29. 29.What is the simple interest on ₹3500 at 10% per year for 3 years? (a) ₹350 (b) ₹4550 (c) ₹1400 (d) ₹1050
30. 30.What is the simple interest on ₹5500 at 4% per year for 4 years? (a) ₹220 (b) ₹6380 (c) ₹880 (d) ₹1100
31. 31.In how many years will ₹6000 earn ₹1200 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
32. 32.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹500 (b) ₹2500 (c) ₹100 (d) ₹600
33. 33.In how many years will ₹5000 earn ₹1500 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
34. 34.The simple interest on ₹9500 for 3 years is ₹1710. What is the rate per year? (a) 7% (b) 18% (c) 6% (d) 5%
35. 35.₹9000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹12240 (b) ₹2430 (c) ₹11430 (d) ₹9810
36. 36.The simple interest on ₹1000 for 4 years is ₹400. What is the rate per year? (a) 11% (b) 9% (c) 40% (d) 10%
37. 37.In how many years will ₹9500 earn ₹380 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
38. 38.The simple interest on ₹1000 for 3 years is ₹180. What is the rate per year? (a) 5% (b) 7% (c) 18% (d) 6%
39. 39.In how many years will ₹3500 earn ₹490 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
40. 40.In how many years will ₹4000 earn ₹1600 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years

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