Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 690 · 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 12% per year for 4 years? (a) ₹4800 (b) ₹14800 (c) ₹6000 (d) ₹1200
2. 2.₹10000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹10600 (b) ₹2400 (c) ₹12400 (d) ₹13000
3. 3.What is the simple interest on ₹6500 at 3% per year for 2 years? (a) ₹195 (b) ₹6890 (c) ₹585 (d) ₹390
4. 4.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
5. 5.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹1590 (b) ₹135 (c) ₹90 (d) ₹45
6. 6.In how many years will ₹3000 earn ₹600 simple interest at 5% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
7. 7.What is the simple interest on ₹6500 at 7% per year for 5 years? (a) ₹2730 (b) ₹2275 (c) ₹8775 (d) ₹455
8. 8.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 5% (b) 7% (c) 18% (d) 6%
9. 9.The simple interest on ₹4000 for 4 years is ₹800. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 6%
10. 10.The simple interest on ₹9000 for 3 years is ₹2430. What is the rate per year? (a) 9% (b) 27% (c) 10% (d) 8%
11. 11.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2320 (b) ₹2400 (c) ₹320 (d) ₹2080
12. 12.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
13. 13.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹180 (b) ₹90 (c) ₹270 (d) ₹1180
14. 14.What is the simple interest on ₹10000 at 10% per year for 3 years? (a) ₹1000 (b) ₹13000 (c) ₹4000 (d) ₹3000
15. 15.The simple interest on ₹8500 for 4 years is ₹3740. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 44%
16. 16.What is the simple interest on ₹1000 at 9% per year for 3 years? (a) ₹1270 (b) ₹360 (c) ₹90 (d) ₹270
17. 17.₹5000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹5600 (c) ₹5500 (d) ₹5100
18. 18.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹2375 (b) ₹475 (c) ₹1900 (d) ₹11400
19. 19.In how many years will ₹3000 earn ₹840 simple interest at 7% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
20. 20.The simple interest on ₹1500 for 2 years is ₹240. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
21. 21.₹5000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹7000 (b) ₹6500 (c) ₹1500 (d) ₹5500
22. 22.What is the simple interest on ₹2500 at 7% per year for 5 years? (a) ₹1050 (b) ₹875 (c) ₹3375 (d) ₹175
23. 23.What is the simple interest on ₹5000 at 7% per year for 2 years? (a) ₹1050 (b) ₹5700 (c) ₹700 (d) ₹350
24. 24.₹9000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1620 (b) ₹10620 (c) ₹9810 (d) ₹11430
25. 25.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹525 (b) ₹420 (c) ₹1920 (d) ₹105
26. 26.₹8500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹9180 (b) ₹11900 (c) ₹11220 (d) ₹2720
27. 27.What is the simple interest on ₹6000 at 4% per year for 4 years? (a) ₹960 (b) ₹6960 (c) ₹240 (d) ₹1200
28. 28.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹800 (b) ₹200 (c) ₹10600 (d) ₹600
29. 29.In how many years will ₹4500 earn ₹1125 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
30. 30.The simple interest on ₹9000 for 2 years is ₹1260. What is the rate per year? (a) 8% (b) 14% (c) 7% (d) 6%
31. 31.The simple interest on ₹4500 for 5 years is ₹1800. What is the rate per year? (a) 40% (b) 8% (c) 7% (d) 9%
32. 32.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹9350 (b) ₹9520 (c) ₹850 (d) ₹8670
33. 33.The simple interest on ₹1000 for 3 years is ₹240. What is the rate per year? (a) 24% (b) 8% (c) 9% (d) 7%
34. 34.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹3750 (b) ₹750 (c) ₹150 (d) ₹900
35. 35.In how many years will ₹9500 earn ₹2090 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
36. 36.₹1500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1680 (b) ₹1545 (c) ₹135 (d) ₹1635
37. 37.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹600 (b) ₹2900 (c) ₹400 (d) ₹200
38. 38.₹7000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹9800 (c) ₹10360 (d) ₹7560
39. 39.The simple interest on ₹3000 for 2 years is ₹720. What is the rate per year? (a) 24% (b) 13% (c) 12% (d) 11%
40. 40.The simple interest on ₹2000 for 2 years is ₹280. What is the rate per year? (a) 14% (b) 6% (c) 7% (d) 8%

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