Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 692 · 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 ₹5000 at 10% per year for 2 years? (a) ₹6000 (b) ₹500 (c) ₹1000 (d) ₹1500
2. 2.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 20%
3. 3.What is the simple interest on ₹9000 at 6% per year for 2 years? (a) ₹10080 (b) ₹540 (c) ₹1080 (d) ₹1620
4. 4.The simple interest on ₹6500 for 5 years is ₹3575. What is the rate per year? (a) 12% (b) 10% (c) 55% (d) 11%
5. 5.What is the simple interest on ₹1500 at 4% per year for 2 years? (a) ₹60 (b) ₹180 (c) ₹1620 (d) ₹120
6. 6.The simple interest on ₹6500 for 3 years is ₹1950. What is the rate per year? (a) 11% (b) 30% (c) 9% (d) 10%
7. 7.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹75 (b) ₹2650 (c) ₹150 (d) ₹225
8. 8.₹3500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4445 (b) ₹945 (c) ₹3815 (d) ₹4760
9. 9.In how many years will ₹8000 earn ₹800 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
10. 10.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1560 (b) ₹1740 (c) ₹240 (d) ₹1800
11. 11.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
12. 12.The simple interest on ₹5000 for 4 years is ₹1600. What is the rate per year? (a) 9% (b) 7% (c) 8% (d) 32%
13. 13.₹4000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4240 (b) ₹4080 (c) ₹4160 (d) ₹160
14. 14.In how many years will ₹3000 earn ₹360 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
15. 15.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹760 (b) ₹380 (c) ₹1140 (d) ₹10260
16. 16.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹3240 (b) ₹120 (c) ₹360 (d) ₹240
17. 17.What is the simple interest on ₹9500 at 8% per year for 5 years? (a) ₹760 (b) ₹13300 (c) ₹3800 (d) ₹4560
18. 18.What is the simple interest on ₹7000 at 2% per year for 2 years? (a) ₹7280 (b) ₹140 (c) ₹420 (d) ₹280
19. 19.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹2125 (b) ₹10625 (c) ₹2550 (d) ₹425
20. 20.In how many years will ₹2000 earn ₹800 simple interest at 8% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
21. 21.₹3500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1260 (b) ₹3920 (c) ₹4760 (d) ₹5180
22. 22.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
23. 23.The simple interest on ₹8000 for 2 years is ₹800. What is the rate per year? (a) 6% (b) 5% (c) 10% (d) 4%
24. 24.₹1000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹400 (b) ₹1400 (c) ₹1100 (d) ₹1500
25. 25.In how many years will ₹1000 earn ₹280 simple interest at 7% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
26. 26.In how many years will ₹8500 earn ₹680 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
27. 27.₹6000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹7200 (b) ₹6300 (c) ₹6900 (d) ₹900
28. 28.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹495 (b) ₹1995 (c) ₹165 (d) ₹660
29. 29.The simple interest on ₹2000 for 2 years is ₹160. What is the rate per year? (a) 4% (b) 8% (c) 3% (d) 5%
30. 30.In how many years will ₹6500 earn ₹1560 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
31. 31.The simple interest on ₹3500 for 3 years is ₹420. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 5%
32. 32.The simple interest on ₹10000 for 4 years is ₹2400. What is the rate per year? (a) 5% (b) 24% (c) 7% (d) 6%
33. 33.In how many years will ₹5000 earn ₹1800 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
34. 34.What is the simple interest on ₹4000 at 6% per year for 2 years? (a) ₹4480 (b) ₹240 (c) ₹720 (d) ₹480
35. 35.₹9500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10355 (b) ₹12920 (c) ₹2565 (d) ₹12065
36. 36.The simple interest on ₹5000 for 5 years is ₹2000. What is the rate per year? (a) 9% (b) 7% (c) 8% (d) 40%
37. 37.What is the simple interest on ₹10000 at 2% per year for 5 years? (a) ₹1200 (b) ₹11000 (c) ₹1000 (d) ₹200
38. 38.What is the simple interest on ₹8000 at 9% per year for 4 years? (a) ₹10880 (b) ₹3600 (c) ₹720 (d) ₹2880
39. 39.What is the simple interest on ₹5500 at 10% per year for 3 years? (a) ₹2200 (b) ₹550 (c) ₹7150 (d) ₹1650
40. 40.The simple interest on ₹9500 for 5 years is ₹3800. What is the rate per year? (a) 7% (b) 40% (c) 9% (d) 8%

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