Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 152 · 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 ₹8500 at 12% per year for 2 years? (a) ₹10540 (b) ₹2040 (c) ₹1020 (d) ₹3060
2. 2.The simple interest on ₹2000 for 5 years is ₹1000. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 50%
3. 3.The simple interest on ₹3000 for 3 years is ₹270. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 9%
4. 4.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
5. 5.₹3500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹4760 (b) ₹5075 (c) ₹3815 (d) ₹1260
6. 6.₹3500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹3745 (b) ₹980 (c) ₹4725 (d) ₹4480
7. 7.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹250 (b) ₹50 (c) ₹2700 (d) ₹200
8. 8.The simple interest on ₹4000 for 4 years is ₹960. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 24%
9. 9.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2875 (b) ₹2750 (c) ₹250 (d) ₹2625
10. 10.₹9500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹11400 (b) ₹9880 (c) ₹1520 (d) ₹11020
11. 11.What is the simple interest on ₹6500 at 8% per year for 5 years? (a) ₹9100 (b) ₹520 (c) ₹2600 (d) ₹3120
12. 12.In how many years will ₹3000 earn ₹300 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
13. 13.What is the simple interest on ₹8000 at 9% per year for 2 years? (a) ₹2160 (b) ₹720 (c) ₹1440 (d) ₹9440
14. 14.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹225 (b) ₹2650 (c) ₹75 (d) ₹150
15. 15.In how many years will ₹10000 earn ₹800 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
16. 16.The simple interest on ₹4500 for 2 years is ₹450. What is the rate per year? (a) 10% (b) 4% (c) 6% (d) 5%
17. 17.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 7% (b) 5% (c) 18% (d) 6%
18. 18.₹10000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹11000 (b) ₹14000 (c) ₹13000 (d) ₹3000
19. 19.In how many years will ₹5000 earn ₹1500 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
20. 20.What is the simple interest on ₹6500 at 8% per year for 2 years? (a) ₹1560 (b) ₹7540 (c) ₹520 (d) ₹1040
21. 21.The simple interest on ₹3000 for 2 years is ₹600. What is the rate per year? (a) 9% (b) 20% (c) 10% (d) 11%
22. 22.In how many years will ₹6500 earn ₹1560 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
23. 23.The simple interest on ₹1000 for 5 years is ₹400. What is the rate per year? (a) 9% (b) 40% (c) 7% (d) 8%
24. 24.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹40 (b) ₹1080 (c) ₹120 (d) ₹80
25. 25.What is the simple interest on ₹6000 at 12% per year for 2 years? (a) ₹2160 (b) ₹1440 (c) ₹720 (d) ₹7440
26. 26.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 14%
27. 27.The simple interest on ₹4000 for 2 years is ₹480. What is the rate per year? (a) 5% (b) 6% (c) 12% (d) 7%
28. 28.In how many years will ₹2500 earn ₹600 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
29. 29.The simple interest on ₹4000 for 3 years is ₹1080. What is the rate per year? (a) 27% (b) 8% (c) 9% (d) 10%
30. 30.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹1800 (b) ₹4800 (c) ₹2160 (d) ₹360
31. 31.In how many years will ₹9500 earn ₹1425 simple interest at 5% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
32. 32.In how many years will ₹9000 earn ₹4500 simple interest at 10% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
33. 33.What is the simple interest on ₹3500 at 11% per year for 4 years? (a) ₹5040 (b) ₹385 (c) ₹1925 (d) ₹1540
34. 34.The simple interest on ₹8000 for 4 years is ₹2240. What is the rate per year? (a) 28% (b) 7% (c) 6% (d) 8%
35. 35.In how many years will ₹10000 earn ₹5500 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
36. 36.₹5500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹8800 (b) ₹3300 (c) ₹6160 (d) ₹9460
37. 37.In how many years will ₹7000 earn ₹420 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
38. 38.The simple interest on ₹4000 for 5 years is ₹1800. What is the rate per year? (a) 8% (b) 10% (c) 45% (d) 9%
39. 39.₹8000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹8960 (b) ₹10880 (c) ₹1920 (d) ₹9920
40. 40.₹7000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹9800 (b) ₹2240 (c) ₹7560 (d) ₹9240

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