Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 335 · 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 ₹4500 at 10% per year for 4 years? (a) ₹450 (b) ₹1800 (c) ₹2250 (d) ₹6300
2. 2.In how many years will ₹9500 earn ₹2660 simple interest at 7% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
3. 3.What is the simple interest on ₹10000 at 10% per year for 2 years? (a) ₹12000 (b) ₹1000 (c) ₹3000 (d) ₹2000
4. 4.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹600 (b) ₹720 (c) ₹2100 (d) ₹120
5. 5.₹7000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹7840 (b) ₹700 (c) ₹7140 (d) ₹7700
6. 6.In how many years will ₹5500 earn ₹1980 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
7. 7.What is the simple interest on ₹7000 at 9% per year for 3 years? (a) ₹8890 (b) ₹630 (c) ₹1890 (d) ₹2520
8. 8.What is the simple interest on ₹8000 at 5% per year for 3 years? (a) ₹1600 (b) ₹400 (c) ₹1200 (d) ₹9200
9. 9.₹9000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10620 (b) ₹1350 (c) ₹10350 (d) ₹9270
10. 10.The simple interest on ₹6500 for 5 years is ₹3575. What is the rate per year? (a) 11% (b) 55% (c) 10% (d) 12%
11. 11.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
12. 12.What is the simple interest on ₹3000 at 11% per year for 5 years? (a) ₹4650 (b) ₹330 (c) ₹1980 (d) ₹1650
13. 13.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹1360 (b) ₹340 (c) ₹9520 (d) ₹1020
14. 14.What is the simple interest on ₹3000 at 12% per year for 4 years? (a) ₹1440 (b) ₹360 (c) ₹4440 (d) ₹1800
15. 15.In how many years will ₹3500 earn ₹140 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
16. 16.The simple interest on ₹9000 for 4 years is ₹2160. What is the rate per year? (a) 5% (b) 24% (c) 7% (d) 6%
17. 17.In how many years will ₹6000 earn ₹2160 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
18. 18.What is the simple interest on ₹1000 at 2% per year for 5 years? (a) ₹20 (b) ₹1100 (c) ₹120 (d) ₹100
19. 19.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7950 (b) ₹7650 (c) ₹7800 (d) ₹300
20. 20.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹240 (b) ₹3240 (c) ₹360 (d) ₹120
21. 21.₹2500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹600 (b) ₹2700 (c) ₹3300 (d) ₹3100
22. 22.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹1200 (b) ₹800 (c) ₹4800 (d) ₹400
23. 23.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹330 (b) ₹5830 (c) ₹165 (d) ₹495
24. 24.The simple interest on ₹3000 for 2 years is ₹480. What is the rate per year? (a) 16% (b) 7% (c) 9% (d) 8%
25. 25.₹1000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1070 (b) ₹1350 (c) ₹1420 (d) ₹350
26. 26.What is the simple interest on ₹10000 at 10% per year for 4 years? (a) ₹5000 (b) ₹14000 (c) ₹4000 (d) ₹1000
27. 27.₹2000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3100 (b) ₹2880 (c) ₹880 (d) ₹2220
28. 28.₹6500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2275 (b) ₹8775 (c) ₹6955 (d) ₹9230
29. 29.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹6900 (b) ₹900 (c) ₹300 (d) ₹1200
30. 30.₹7000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7560 (b) ₹7700 (c) ₹7140 (d) ₹560
31. 31.In how many years will ₹3500 earn ₹630 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
32. 32.The simple interest on ₹10000 for 4 years is ₹4800. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 48%
33. 33.The simple interest on ₹6000 for 3 years is ₹360. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 6%
34. 34.₹7500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹9000 (b) ₹8625 (c) ₹1125 (d) ₹7875
35. 35.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹960 (b) ₹8320 (c) ₹9280 (d) ₹8960
36. 36.What is the simple interest on ₹10000 at 6% per year for 5 years? (a) ₹13000 (b) ₹3600 (c) ₹3000 (d) ₹600
37. 37.What is the simple interest on ₹7000 at 2% per year for 3 years? (a) ₹560 (b) ₹7420 (c) ₹420 (d) ₹140
38. 38.In how many years will ₹9500 earn ₹1140 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
39. 39.₹2500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3500 (b) ₹2750 (c) ₹3250 (d) ₹750
40. 40.What is the simple interest on ₹4500 at 5% per year for 4 years? (a) ₹225 (b) ₹5400 (c) ₹1125 (d) ₹900

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