Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 876 · 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 ₹7000 at 6% per year for 2 years? (a) ₹840 (b) ₹1260 (c) ₹7840 (d) ₹420
2. 2.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹315 (b) ₹1260 (c) ₹1575 (d) ₹4760
3. 3.₹2000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹2240 (b) ₹240 (c) ₹2320 (d) ₹2080
4. 4.₹9500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1140 (b) ₹9785 (c) ₹10640 (d) ₹10925
5. 5.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹250 (b) ₹1500 (c) ₹6250 (d) ₹1250
6. 6.In how many years will ₹3500 earn ₹420 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
7. 7.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹3200 (b) ₹240 (c) ₹1440 (d) ₹1200
8. 8.₹9000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹10440 (b) ₹1440 (c) ₹9720 (d) ₹11160
9. 9.The simple interest on ₹8000 for 5 years is ₹4800. What is the rate per year? (a) 60% (b) 13% (c) 11% (d) 12%
10. 10.₹9500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹11020 (b) ₹9880 (c) ₹11400 (d) ₹1520
11. 11.The simple interest on ₹5500 for 2 years is ₹330. What is the rate per year? (a) 2% (b) 3% (c) 6% (d) 4%
12. 12.What is the simple interest on ₹4500 at 5% per year for 4 years? (a) ₹1125 (b) ₹225 (c) ₹900 (d) ₹5400
13. 13.The simple interest on ₹3000 for 3 years is ₹630. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 21%
14. 14.What is the simple interest on ₹3000 at 10% per year for 2 years? (a) ₹300 (b) ₹600 (c) ₹3600 (d) ₹900
15. 15.₹9500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹11210 (b) ₹10070 (c) ₹1140 (d) ₹10640
16. 16.₹3000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹3810 (b) ₹540 (c) ₹3540 (d) ₹3270
17. 17.In how many years will ₹7500 earn ₹1350 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
18. 18.In how many years will ₹1000 earn ₹120 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
19. 19.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
20. 20.The simple interest on ₹6000 for 4 years is ₹480. What is the rate per year? (a) 8% (b) 1% (c) 3% (d) 2%
21. 21.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 6% (b) 2% (c) 4% (d) 3%
22. 22.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹3135 (b) ₹11590 (c) ₹2090 (d) ₹1045
23. 23.What is the simple interest on ₹4000 at 7% per year for 5 years? (a) ₹1400 (b) ₹5400 (c) ₹1680 (d) ₹280
24. 24.₹8000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10880 (b) ₹2160 (c) ₹8720 (d) ₹10160
25. 25.₹10000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹11100 (b) ₹2200 (c) ₹13300 (d) ₹12200
26. 26.The simple interest on ₹3500 for 3 years is ₹735. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 21%
27. 27.What is the simple interest on ₹5000 at 12% per year for 2 years? (a) ₹6200 (b) ₹1800 (c) ₹1200 (d) ₹600
28. 28.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹60 (b) ₹1040 (c) ₹40 (d) ₹20
29. 29.What is the simple interest on ₹2500 at 11% per year for 5 years? (a) ₹275 (b) ₹1375 (c) ₹3875 (d) ₹1650
30. 30.₹7000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7420 (b) ₹840 (c) ₹8260 (d) ₹7840
31. 31.₹5500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹7700 (b) ₹8250 (c) ₹2200 (d) ₹6050
32. 32.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹2800 (b) ₹375 (c) ₹300 (d) ₹75
33. 33.In how many years will ₹8000 earn ₹1280 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
34. 34.In how many years will ₹8500 earn ₹1785 simple interest at 7% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
35. 35.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹10600 (b) ₹800 (c) ₹200 (d) ₹600
36. 36.In how many years will ₹2500 earn ₹200 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
37. 37.What is the simple interest on ₹7000 at 10% per year for 4 years? (a) ₹9800 (b) ₹2800 (c) ₹3500 (d) ₹700
38. 38.₹10000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹13200 (b) ₹2400 (c) ₹10800 (d) ₹12400
39. 39.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1140 (b) ₹10640 (c) ₹9880 (d) ₹11020
40. 40.What is the simple interest on ₹7500 at 2% per year for 2 years? (a) ₹7800 (b) ₹450 (c) ₹300 (d) ₹150

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