Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 766 · 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.The simple interest on ₹5000 for 3 years is ₹1350. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 27%
2. 2.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹630 (b) ₹1890 (c) ₹8260 (d) ₹1260
3. 3.In how many years will ₹8500 earn ₹2040 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
4. 4.In how many years will ₹9500 earn ₹1900 simple interest at 5% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
5. 5.₹4000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1440 (b) ₹4480 (c) ₹5920 (d) ₹5440
6. 6.In how many years will ₹2000 earn ₹280 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
7. 7.₹9000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹9450 (b) ₹900 (c) ₹10350 (d) ₹9900
8. 8.The simple interest on ₹2500 for 3 years is ₹675. What is the rate per year? (a) 27% (b) 10% (c) 9% (d) 8%
9. 9.₹8000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹800 (b) ₹8160 (c) ₹8800 (d) ₹8960
10. 10.What is the simple interest on ₹8500 at 2% per year for 2 years? (a) ₹340 (b) ₹510 (c) ₹8840 (d) ₹170
11. 11.The simple interest on ₹9000 for 5 years is ₹1350. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 15%
12. 12.In how many years will ₹1000 earn ₹120 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
13. 13.In how many years will ₹5000 earn ₹1000 simple interest at 5% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
14. 14.The simple interest on ₹5000 for 4 years is ₹1200. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 24%
15. 15.In how many years will ₹9500 earn ₹1900 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
16. 16.₹2000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2040 (b) ₹2120 (c) ₹120 (d) ₹2160
17. 17.What is the simple interest on ₹1000 at 11% per year for 3 years? (a) ₹1330 (b) ₹440 (c) ₹330 (d) ₹110
18. 18.In how many years will ₹2500 earn ₹375 simple interest at 5% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
19. 19.What is the simple interest on ₹3000 at 6% per year for 4 years? (a) ₹180 (b) ₹900 (c) ₹720 (d) ₹3720
20. 20.What is the simple interest on ₹7000 at 4% per year for 2 years? (a) ₹840 (b) ₹7560 (c) ₹560 (d) ₹280
21. 21.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 1% (b) 3% (c) 4% (d) 2%
22. 22.₹9500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9880 (b) ₹9690 (c) ₹10070 (d) ₹380
23. 23.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2040 (b) ₹2120 (c) ₹80 (d) ₹2080
24. 24.What is the simple interest on ₹8000 at 11% per year for 5 years? (a) ₹12400 (b) ₹880 (c) ₹5280 (d) ₹4400
25. 25.In how many years will ₹1000 earn ₹240 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
26. 26.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹300 (b) ₹75 (c) ₹375 (d) ₹2800
27. 27.₹4500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹4590 (c) ₹4770 (d) ₹4860
28. 28.What is the simple interest on ₹4500 at 8% per year for 4 years? (a) ₹360 (b) ₹5940 (c) ₹1800 (d) ₹1440
29. 29.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹1620 (c) ₹1860 (d) ₹1980
30. 30.The simple interest on ₹1000 for 2 years is ₹120. What is the rate per year? (a) 12% (b) 6% (c) 5% (d) 7%
31. 31.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 10% (b) 6% (c) 5% (d) 4%
32. 32.In how many years will ₹2000 earn ₹560 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
33. 33.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹150 (b) ₹2650 (c) ₹2725 (d) ₹2575
34. 34.What is the simple interest on ₹7500 at 8% per year for 4 years? (a) ₹9900 (b) ₹2400 (c) ₹600 (d) ₹3000
35. 35.In how many years will ₹7000 earn ₹840 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
36. 36.What is the simple interest on ₹5000 at 5% per year for 2 years? (a) ₹5500 (b) ₹500 (c) ₹250 (d) ₹750
37. 37.In how many years will ₹4500 earn ₹630 simple interest at 7% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
38. 38.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 9% (b) 3% (c) 2% (d) 4%
39. 39.₹1500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1545 (b) ₹180 (c) ₹1725 (d) ₹1680
40. 40.The simple interest on ₹9000 for 3 years is ₹2700. What is the rate per year? (a) 11% (b) 9% (c) 30% (d) 10%

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