Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 264 · 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.₹7500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹9300 (b) ₹10200 (c) ₹1800 (d) ₹8400
2. 2.₹4500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹5175 (b) ₹4725 (c) ₹5400 (d) ₹675
3. 3.In how many years will ₹4000 earn ₹840 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
4. 4.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹2120 (b) ₹160 (c) ₹40 (d) ₹120
5. 5.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹1045 (b) ₹2090 (c) ₹3135 (d) ₹11590
6. 6.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 8% (b) 18% (c) 10% (d) 9%
7. 7.What is the simple interest on ₹7500 at 11% per year for 3 years? (a) ₹9975 (b) ₹825 (c) ₹3300 (d) ₹2475
8. 8.In how many years will ₹10000 earn ₹800 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
9. 9.What is the simple interest on ₹2000 at 12% per year for 3 years? (a) ₹960 (b) ₹2720 (c) ₹720 (d) ₹240
10. 10.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹120 (b) ₹360 (c) ₹3240 (d) ₹240
11. 11.The simple interest on ₹8500 for 5 years is ₹850. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 10%
12. 12.In how many years will ₹7000 earn ₹2100 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
13. 13.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹150 (b) ₹50 (c) ₹1150 (d) ₹200
14. 14.₹7000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹7280 (b) ₹8120 (c) ₹8400 (d) ₹1120
15. 15.What is the simple interest on ₹4000 at 6% per year for 2 years? (a) ₹480 (b) ₹4480 (c) ₹720 (d) ₹240
16. 16.The simple interest on ₹3500 for 4 years is ₹840. What is the rate per year? (a) 24% (b) 6% (c) 5% (d) 7%
17. 17.₹8500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1530 (b) ₹9265 (c) ₹10030 (d) ₹10795
18. 18.The simple interest on ₹10000 for 5 years is ₹2500. What is the rate per year? (a) 25% (b) 6% (c) 4% (d) 5%
19. 19.What is the simple interest on ₹5500 at 5% per year for 3 years? (a) ₹6325 (b) ₹275 (c) ₹825 (d) ₹1100
20. 20.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
21. 21.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 3%
22. 22.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
23. 23.What is the simple interest on ₹1500 at 9% per year for 5 years? (a) ₹2175 (b) ₹810 (c) ₹675 (d) ₹135
24. 24.In how many years will ₹4500 earn ₹1620 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
25. 25.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹240 (b) ₹360 (c) ₹120 (d) ₹1740
26. 26.In how many years will ₹8500 earn ₹3825 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
27. 27.In how many years will ₹3000 earn ₹720 simple interest at 6% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
28. 28.₹8500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹10370 (b) ₹11305 (c) ₹1870 (d) ₹9435
29. 29.In how many years will ₹6000 earn ₹1080 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
30. 30.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹900 (b) ₹720 (c) ₹9720 (d) ₹180
31. 31.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
32. 32.In how many years will ₹9000 earn ₹540 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
33. 33.In how many years will ₹1000 earn ₹330 simple interest at 11% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
34. 34.₹9500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹10355 (b) ₹4275 (c) ₹14630 (d) ₹13775
35. 35.What is the simple interest on ₹2500 at 12% per year for 2 years? (a) ₹600 (b) ₹900 (c) ₹300 (d) ₹3100
36. 36.₹2000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹660 (b) ₹2880 (c) ₹2660 (d) ₹2220
37. 37.The simple interest on ₹8000 for 3 years is ₹1680. What is the rate per year? (a) 21% (b) 7% (c) 8% (d) 6%
38. 38.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹90 (b) ₹270 (c) ₹3270 (d) ₹360
39. 39.What is the simple interest on ₹5500 at 7% per year for 4 years? (a) ₹7040 (b) ₹385 (c) ₹1540 (d) ₹1925
40. 40.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years

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