Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 322 · 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.In how many years will ₹8500 earn ₹2550 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
2. 2.The simple interest on ₹6500 for 5 years is ₹975. What is the rate per year? (a) 2% (b) 15% (c) 4% (d) 3%
3. 3.₹5500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹5995 (b) ₹7480 (c) ₹7975 (d) ₹1980
4. 4.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹520 (b) ₹7020 (c) ₹7280 (d) ₹6760
5. 5.₹9000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹11970 (b) ₹10980 (c) ₹1980 (d) ₹9990
6. 6.₹8000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹8480 (b) ₹1440 (c) ₹9440 (d) ₹9920
7. 7.In how many years will ₹3000 earn ₹360 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
8. 8.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
9. 9.What is the simple interest on ₹10000 at 3% per year for 4 years? (a) ₹1200 (b) ₹1500 (c) ₹11200 (d) ₹300
10. 10.What is the simple interest on ₹5500 at 5% per year for 4 years? (a) ₹275 (b) ₹1100 (c) ₹6600 (d) ₹1375
11. 11.What is the simple interest on ₹3500 at 6% per year for 3 years? (a) ₹210 (b) ₹4130 (c) ₹840 (d) ₹630
12. 12.₹8000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹9600 (b) ₹1280 (c) ₹8320 (d) ₹9280
13. 13.The simple interest on ₹5000 for 4 years is ₹2400. What is the rate per year? (a) 48% (b) 11% (c) 12% (d) 13%
14. 14.₹7000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹7280 (b) ₹1400 (c) ₹8400 (d) ₹8680
15. 15.₹6000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹6240 (b) ₹7200 (c) ₹1200 (d) ₹7440
16. 16.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹550 (b) ₹825 (c) ₹275 (d) ₹6050
17. 17.₹1500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2490 (b) ₹825 (c) ₹2325 (d) ₹1665
18. 18.The simple interest on ₹10000 for 3 years is ₹3600. What is the rate per year? (a) 36% (b) 13% (c) 12% (d) 11%
19. 19.The simple interest on ₹4500 for 3 years is ₹1350. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 30%
20. 20.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 1%
21. 21.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2040 (b) ₹80 (c) ₹2080 (d) ₹2120
22. 22.What is the simple interest on ₹1500 at 10% per year for 4 years? (a) ₹2100 (b) ₹150 (c) ₹750 (d) ₹600
23. 23.What is the simple interest on ₹5000 at 4% per year for 3 years? (a) ₹800 (b) ₹600 (c) ₹5600 (d) ₹200
24. 24.In how many years will ₹10000 earn ₹1800 simple interest at 6% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
25. 25.In how many years will ₹8500 earn ₹680 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
26. 26.What is the simple interest on ₹8500 at 3% per year for 2 years? (a) ₹9010 (b) ₹255 (c) ₹510 (d) ₹765
27. 27.₹4500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹4995 (b) ₹5985 (c) ₹990 (d) ₹5490
28. 28.What is the simple interest on ₹8000 at 3% per year for 5 years? (a) ₹9200 (b) ₹1440 (c) ₹240 (d) ₹1200
29. 29.What is the simple interest on ₹4000 at 9% per year for 3 years? (a) ₹1440 (b) ₹5080 (c) ₹360 (d) ₹1080
30. 30.The simple interest on ₹6000 for 2 years is ₹960. What is the rate per year? (a) 9% (b) 7% (c) 16% (d) 8%
31. 31.₹3000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹4320 (b) ₹4650 (c) ₹3330 (d) ₹1320
32. 32.₹10000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹10600 (b) ₹11800 (c) ₹11200 (d) ₹1200
33. 33.What is the simple interest on ₹7500 at 5% per year for 3 years? (a) ₹375 (b) ₹1500 (c) ₹8625 (d) ₹1125
34. 34.₹7000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹8890 (b) ₹7630 (c) ₹1890 (d) ₹9520
35. 35.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹50 (b) ₹1150 (c) ₹150 (d) ₹200
36. 36.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹495 (b) ₹165 (c) ₹330 (d) ₹5830
37. 37.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹1900 (b) ₹11400 (c) ₹475 (d) ₹2375
38. 38.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
39. 39.What is the simple interest on ₹5000 at 4% per year for 4 years? (a) ₹200 (b) ₹5800 (c) ₹1000 (d) ₹800
40. 40.₹5500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹6820 (b) ₹880 (c) ₹6380 (d) ₹5940

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